19209866

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{5393}}^1$

素因数の和:5545

約数の個数: 16

約数和(自身を含む): 31263624

約数和(自身を除く): 12053758

約数列:

[1, 2, 13, 26, 137, 274, 1781, 3562, 5393, 10786, 70109, 140218, 738841, 1477682, 9604933, 19209866]

約数ペア:

[(1, 19209866), (2, 9604933), (13, 1477682), (26, 738841), (137, 140218), (274, 70109), (1781, 10786), (3562, 5393)]