I divisori di 19501990 sono 16, elencati qui di seguito: 1; 2; 5; 10; 1301; 1499; 2602; 2998; 6505; 7495; 13010; 14990; 1950199; 3900398; 9750995; 19501990
19501971, 19501972, 19501973, 19501974, 19501975, 19501976, 19501977, 19501978, 19501979, 19501980, 19501981, 19501982, 19501983, 19501984, 19501985, 19501986, 19501987, 19501988, 19501989, 19501991, 19501992, 19501993, 19501994, 19501995, 19501996, 19501997, 19501998, 19501999, 19502000, 19502001, 19502002, 19502003, 19502004, 19502005, 19502006, 19502007, 19502008, 19502009