18217816

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{22109}}^1$

素因数の和:22218

約数の個数: 16

約数和(自身を含む): 34491600

約数和(自身を除く): 16273784

約数列:

[1, 2, 4, 8, 103, 206, 412, 824, 22109, 44218, 88436, 176872, 2277227, 4554454, 9108908, 18217816]

約数ペア:

[(1, 18217816), (2, 9108908), (4, 4554454), (8, 2277227), (103, 176872), (206, 88436), (412, 44218), (824, 22109)]