18814456

素因数分解:

$2^3\times {\mathrm{257}}^1\times {\mathrm{9151}}^1$

素因数の和:9414

約数の個数: 16

約数和(自身を含む): 35418240

約数和(自身を除く): 16603784

約数列:

[1, 2, 4, 8, 257, 514, 1028, 2056, 9151, 18302, 36604, 73208, 2351807, 4703614, 9407228, 18814456]

約数ペア:

[(1, 18814456), (2, 9407228), (4, 4703614), (8, 2351807), (257, 73208), (514, 36604), (1028, 18302), (2056, 9151)]