18031882

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{19991}}^1$

素因数の和:20045

約数の個数: 16

約数和(自身を含む): 30227904

約数和(自身を除く): 12196022

約数列:

[1, 2, 11, 22, 41, 82, 451, 902, 19991, 39982, 219901, 439802, 819631, 1639262, 9015941, 18031882]

約数ペア:

[(1, 18031882), (2, 9015941), (11, 1639262), (22, 819631), (41, 439802), (82, 219901), (451, 39982), (902, 19991)]