19904962

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4457}}^1$

素因数の和:4506

約数の個数: 32

約数和(自身を含む): 38517120

約数和(自身を除く): 18612158

約数列:

[1, 2, 7, 11, 14, 22, 29, 58, 77, 154, 203, 319, 406, 638, 2233, 4457, 4466, 8914, 31199, 49027, 62398, 98054, 129253, 258506, 343189, 686378, 904771, 1421783, 1809542, 2843566, 9952481, 19904962]

約数ペア:

[(1, 19904962), (2, 9952481), (7, 2843566), (11, 1809542), (14, 1421783), (22, 904771), (29, 686378), (58, 343189), (77, 258506), (154, 129253), (203, 98054), (319, 62398), (406, 49027), (638, 31199), (2233, 8914), (4457, 4466)]