19907573764

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{382837957}}^1$

素因数の和:382837974

約数の個数: 12

約数和(自身を含む): 37518119884

約数和(自身を除く): 17610546120

約数列:

[1, 2, 4, 13, 26, 52, 382837957, 765675914, 1531351828, 4976893441, 9953786882, 19907573764]

約数ペア:

[(1, 19907573764), (2, 9953786882), (4, 4976893441), (13, 1531351828), (26, 765675914), (52, 382837957)]