18420968

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{62233}}^1$

素因数の和:62276

約数の個数: 16

約数和(自身を含む): 35473380

約数和(自身を除く): 17052412

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 62233, 124466, 248932, 497864, 2302621, 4605242, 9210484, 18420968]

約数ペア:

[(1, 18420968), (2, 9210484), (4, 4605242), (8, 2302621), (37, 497864), (74, 248932), (148, 124466), (296, 62233)]