19105550

素因数分解:

$2^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{2749}}^1$

素因数の和:2900

約数の個数: 24

約数和(自身を含む): 35805000

約数和(自身を除く): 16699450

約数列:

[1, 2, 5, 10, 25, 50, 139, 278, 695, 1390, 2749, 3475, 5498, 6950, 13745, 27490, 68725, 137450, 382111, 764222, 1910555, 3821110, 9552775, 19105550]

約数ペア:

[(1, 19105550), (2, 9552775), (5, 3821110), (10, 1910555), (25, 764222), (50, 382111), (139, 137450), (278, 68725), (695, 27490), (1390, 13745), (2749, 6950), (3475, 5498)]