19718150894

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{1810001}}^1$

素因数の和:1810435

約数の個数: 16

約数和(自身を含む): 31928435280

約数和(自身を除く): 12210284386

約数列:

[1, 2, 13, 26, 419, 838, 5447, 10894, 1810001, 3620002, 23530013, 47060026, 758390419, 1516780838, 9859075447, 19718150894]

約数ペア:

[(1, 19718150894), (2, 9859075447), (13, 1516780838), (26, 758390419), (419, 47060026), (838, 23530013), (5447, 3620002), (10894, 1810001)]