19912205518

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{11177}}^1\times {\mathrm{38729}}^1$

素因数の和:49931

約数の個数: 16

約数和(自身を含む): 31170523680

約数和(自身を除く): 11258318162

約数列:

[1, 2, 23, 46, 11177, 22354, 38729, 77458, 257071, 514142, 890767, 1781534, 432874033, 865748066, 9956102759, 19912205518]

約数ペア:

[(1, 19912205518), (2, 9956102759), (23, 865748066), (46, 432874033), (11177, 1781534), (22354, 890767), (38729, 514142), (77458, 257071)]