18240464

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1699}}^1$

素因数の和:1779

約数の個数: 40

約数和(自身を含む): 39208800

約数和(自身を除く): 20968336

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 61, 88, 122, 176, 244, 488, 671, 976, 1342, 1699, 2684, 3398, 5368, 6796, 10736, 13592, 18689, 27184, 37378, 74756, 103639, 149512, 207278, 299024, 414556, 829112, 1140029, 1658224, 2280058, 4560116, 9120232, 18240464]

約数ペア:

[(1, 18240464), (2, 9120232), (4, 4560116), (8, 2280058), (11, 1658224), (16, 1140029), (22, 829112), (44, 414556), (61, 299024), (88, 207278), (122, 149512), (176, 103639), (244, 74756), (488, 37378), (671, 27184), (976, 18689), (1342, 13592), (1699, 10736), (2684, 6796), (3398, 5368)]