18218968

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{133963}}^1$

素因数の和:133986

約数の個数: 16

約数和(自身を含む): 36170280

約数和(自身を除く): 17951312

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 133963, 267926, 535852, 1071704, 2277371, 4554742, 9109484, 18218968]

約数ペア:

[(1, 18218968), (2, 9109484), (4, 4554742), (8, 2277371), (17, 1071704), (34, 535852), (68, 267926), (136, 133963)]