I divisori di 19911992 sono 16, elencati qui di seguito: 1; 2; 4; 8; 619; 1238; 2476; 4021; 4952; 8042; 16084; 32168; 2488999; 4977998; 9955996; 19911992
19911973, 19911974, 19911975, 19911976, 19911977, 19911978, 19911979, 19911980, 19911981, 19911982, 19911983, 19911984, 19911985, 19911986, 19911987, 19911988, 19911989, 19911990, 19911991, 19911993, 19911994, 19911995, 19911996, 19911997, 19911998, 19911999, 19912000, 19912001, 19912002, 19912003, 19912004, 19912005, 19912006, 19912007, 19912008, 19912009, 19912010, 19912011