18940306

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{4241}}^1$

素因数の和:4290

約数の個数: 32

約数和(自身を含む): 36650880

約数和(自身を除く): 17710574

約数列:

[1, 2, 7, 11, 14, 22, 29, 58, 77, 154, 203, 319, 406, 638, 2233, 4241, 4466, 8482, 29687, 46651, 59374, 93302, 122989, 245978, 326557, 653114, 860923, 1352879, 1721846, 2705758, 9470153, 18940306]

約数ペア:

[(1, 18940306), (2, 9470153), (7, 2705758), (11, 1721846), (14, 1352879), (22, 860923), (29, 653114), (58, 326557), (77, 245978), (154, 122989), (203, 93302), (319, 59374), (406, 46651), (638, 29687), (2233, 8482), (4241, 4466)]