19665802

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{5521}}^1$

素因数の和:5673

約数の個数: 16

約数和(自身を含む): 32005512

約数和(自身を除く): 12339710

約数列:

[1, 2, 13, 26, 137, 274, 1781, 3562, 5521, 11042, 71773, 143546, 756377, 1512754, 9832901, 19665802]

約数ペア:

[(1, 19665802), (2, 9832901), (13, 1512754), (26, 756377), (137, 143546), (274, 71773), (1781, 11042), (3562, 5521)]