18557176

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3457}}^1$

素因数の和:3535

約数の個数: 32

約数和(自身を含む): 38591280

約数和(自身を除く): 20034104

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 88, 122, 244, 488, 671, 1342, 2684, 3457, 5368, 6914, 13828, 27656, 38027, 76054, 152108, 210877, 304216, 421754, 843508, 1687016, 2319647, 4639294, 9278588, 18557176]

約数ペア:

[(1, 18557176), (2, 9278588), (4, 4639294), (8, 2319647), (11, 1687016), (22, 843508), (44, 421754), (61, 304216), (88, 210877), (122, 152108), (244, 76054), (488, 38027), (671, 27656), (1342, 13828), (2684, 6914), (3457, 5368)]