18620968

素因数分解:

$2^3\times {\mathrm{239}}^1\times {\mathrm{9739}}^1$

素因数の和:9984

約数の個数: 16

約数和(自身を含む): 35064000

約数和(自身を除く): 16443032

約数列:

[1, 2, 4, 8, 239, 478, 956, 1912, 9739, 19478, 38956, 77912, 2327621, 4655242, 9310484, 18620968]

約数ペア:

[(1, 18620968), (2, 9310484), (4, 4655242), (8, 2327621), (239, 77912), (478, 38956), (956, 19478), (1912, 9739)]