19679608

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{11131}}^1$

素因数の和:11167

約数の個数: 32

約数和(自身を含む): 42078960

約数和(自身を除く): 22399352

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 11131, 22262, 44524, 89048, 144703, 189227, 289406, 378454, 578812, 756908, 1157624, 1513816, 2459951, 4919902, 9839804, 19679608]

約数ペア:

[(1, 19679608), (2, 9839804), (4, 4919902), (8, 2459951), (13, 1513816), (17, 1157624), (26, 756908), (34, 578812), (52, 378454), (68, 289406), (104, 189227), (136, 144703), (221, 89048), (442, 44524), (884, 22262), (1768, 11131)]