18739682

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{5261}}^1$

素因数の和:5413

約数の個数: 16

約数和(自身を含む): 30498552

約数和(自身を除く): 11758870

約数列:

[1, 2, 13, 26, 137, 274, 1781, 3562, 5261, 10522, 68393, 136786, 720757, 1441514, 9369841, 18739682]

約数ペア:

[(1, 18739682), (2, 9369841), (13, 1441514), (26, 720757), (137, 136786), (274, 68393), (1781, 10522), (3562, 5261)]