I divisori di 9801990 sono 48, elencati qui di seguito: 1; 2; 3; 5; 6; 9; 10; 11; 15; 18; 22; 30; 33; 45; 55; 66; 90; 99; 110; 165; 198; 330; 495; 990; 9901; 19802; 29703; 49505; 59406; 89109; 99010; 108911; 148515; 178218; 217822; 297030; 326733; 445545; 544555; 653466; 891090; 980199; 1089110; 1633665; 1960398; 3267330; 4900995; 9801990
9801971, 9801972, 9801973, 9801974, 9801975, 9801976, 9801977, 9801978, 9801979, 9801980, 9801981, 9801982, 9801983, 9801984, 9801985, 9801986, 9801987, 9801988, 9801989, 9801991, 9801992, 9801993, 9801994, 9801995, 9801996, 9801997, 9801998, 9801999, 9802000, 9802001, 9802002, 9802003, 9802004, 9802005, 9802006, 9802007, 9802008, 9802009