18705086

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1\times {\mathrm{827}}^1$

素因数の和:1135

約数の個数: 16

約数和(自身を含む): 28854144

約数和(自身を除く): 10149058

約数列:

[1, 2, 43, 86, 263, 526, 827, 1654, 11309, 22618, 35561, 71122, 217501, 435002, 9352543, 18705086]

約数ペア:

[(1, 18705086), (2, 9352543), (43, 435002), (86, 217501), (263, 71122), (526, 35561), (827, 22618), (1654, 11309)]