18174994

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1\times {\mathrm{809}}^1$

素因数の和:1097

約数の個数: 16

約数和(自身を含む): 27993600

約数和(自身を除く): 9818606

約数列:

[1, 2, 47, 94, 239, 478, 809, 1618, 11233, 22466, 38023, 76046, 193351, 386702, 9087497, 18174994]

約数ペア:

[(1, 18174994), (2, 9087497), (47, 386702), (94, 193351), (239, 76046), (478, 38023), (809, 22466), (1618, 11233)]