18388238

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43991}}^1$

素因数の和:44023

約数の個数: 16

約数和(自身を含む): 31674240

約数和(自身を除く): 13286002

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 43991, 87982, 483901, 835829, 967802, 1671658, 9194119, 18388238]

約数ペア:

[(1, 18388238), (2, 9194119), (11, 1671658), (19, 967802), (22, 835829), (38, 483901), (209, 87982), (418, 43991)]