18999608

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{139703}}^1$

素因数の和:139726

約数の個数: 16

約数和(自身を含む): 37720080

約数和(自身を除く): 18720472

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 139703, 279406, 558812, 1117624, 2374951, 4749902, 9499804, 18999608]

約数ペア:

[(1, 18999608), (2, 9499804), (4, 4749902), (8, 2374951), (17, 1117624), (34, 558812), (68, 279406), (136, 139703)]