19686986

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{52639}}^1$

素因数の和:52669

約数の個数: 16

約数和(自身を含む): 34110720

約数和(自身を除く): 14423734

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 52639, 105278, 579029, 894863, 1158058, 1789726, 9843493, 19686986]

約数ペア:

[(1, 19686986), (2, 9843493), (11, 1789726), (17, 1158058), (22, 894863), (34, 579029), (187, 105278), (374, 52639)]