18493858

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1$

素因数の和:358

約数の個数: 32

約数和(自身を含む): 30788208

約数和(自身を除く): 12294350

約数列:

[1, 2, 17, 34, 37, 61, 74, 122, 241, 482, 629, 1037, 1258, 2074, 2257, 4097, 4514, 8194, 8917, 14701, 17834, 29402, 38369, 76738, 151589, 249917, 303178, 499834, 543937, 1087874, 9246929, 18493858]

約数ペア:

[(1, 18493858), (2, 9246929), (17, 1087874), (34, 543937), (37, 499834), (61, 303178), (74, 249917), (122, 151589), (241, 76738), (482, 38369), (629, 29402), (1037, 17834), (1258, 14701), (2074, 8917), (2257, 8194), (4097, 4514)]