18490089191

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{422563}}^1$

素因数の和:422643

約数の個数: 24

約数和(自身を含む): 23122702080

約数和(自身を除く): 4632612889

約数列:

[1, 7, 19, 47, 49, 133, 329, 893, 931, 2303, 6251, 43757, 422563, 2957941, 8028697, 19860461, 20705587, 56200879, 139023227, 377348759, 393406153, 973162589, 2641441313, 18490089191]

約数ペア:

[(1, 18490089191), (7, 2641441313), (19, 973162589), (47, 393406153), (49, 377348759), (133, 139023227), (329, 56200879), (893, 20705587), (931, 19860461), (2303, 8028697), (6251, 2957941), (43757, 422563)]