19949420816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{95910677}}^1$

素因数の和:95910698

約数の個数: 20

約数和(自身を含む): 41625234252

約数和(自身を除く): 21675813436

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 95910677, 191821354, 383642708, 767285416, 1246838801, 1534570832, 2493677602, 4987355204, 9974710408, 19949420816]

約数ペア:

[(1, 19949420816), (2, 9974710408), (4, 4987355204), (8, 2493677602), (13, 1534570832), (16, 1246838801), (26, 767285416), (52, 383642708), (104, 191821354), (208, 95910677)]