19130430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1999}}^1$

素因数の和:2049

約数の個数: 64

約数和(自身を含む): 51840000

約数和(自身を除く): 32709570

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 29, 30, 33, 55, 58, 66, 87, 110, 145, 165, 174, 290, 319, 330, 435, 638, 870, 957, 1595, 1914, 1999, 3190, 3998, 4785, 5997, 9570, 9995, 11994, 19990, 21989, 29985, 43978, 57971, 59970, 65967, 109945, 115942, 131934, 173913, 219890, 289855, 329835, 347826, 579710, 637681, 659670, 869565, 1275362, 1739130, 1913043, 3188405, 3826086, 6376810, 9565215, 19130430]

約数ペア:

[(1, 19130430), (2, 9565215), (3, 6376810), (5, 3826086), (6, 3188405), (10, 1913043), (11, 1739130), (15, 1275362), (22, 869565), (29, 659670), (30, 637681), (33, 579710), (55, 347826), (58, 329835), (66, 289855), (87, 219890), (110, 173913), (145, 131934), (165, 115942), (174, 109945), (290, 65967), (319, 59970), (330, 57971), (435, 43978), (638, 29985), (870, 21989), (957, 19990), (1595, 11994), (1914, 9995), (1999, 9570), (3190, 5997), (3998, 4785)]