I divisori di 19902993 sono 16, elencati qui di seguito: 1; 3; 11; 33; 139; 417; 1529; 4339; 4587; 13017; 47729; 143187; 603121; 1809363; 6634331; 19902993
19902974, 19902975, 19902976, 19902977, 19902978, 19902979, 19902980, 19902981, 19902982, 19902983, 19902984, 19902985, 19902986, 19902987, 19902988, 19902989, 19902990, 19902991, 19902992, 19902994, 19902995, 19902996, 19902997, 19902998, 19902999, 19903000, 19903001, 19903002, 19903003, 19903004, 19903005, 19903006, 19903007, 19903008, 19903009, 19903010, 19903011, 19903012