31860018

素因数分解:

$2^1\times 3^2\times {\mathrm{1770001}}^1$

素因数の和:1770009

約数の個数: 12

約数和(自身を含む): 69030078

約数和(自身を除く): 37170060

約数列:

[1, 2, 3, 6, 9, 18, 1770001, 3540002, 5310003, 10620006, 15930009, 31860018]

約数ペア:

[(1, 31860018), (2, 15930009), (3, 10620006), (6, 5310003), (9, 3540002), (18, 1770001)]