19479650

素因数分解:

$2^1\times 5^2\times {\mathrm{317}}^1\times {\mathrm{1229}}^1$

素因数の和:1558

約数の個数: 24

約数和(自身を含む): 36376020

約数和(自身を除く): 16896370

約数列:

[1, 2, 5, 10, 25, 50, 317, 634, 1229, 1585, 2458, 3170, 6145, 7925, 12290, 15850, 30725, 61450, 389593, 779186, 1947965, 3895930, 9739825, 19479650]

約数ペア:

[(1, 19479650), (2, 9739825), (5, 3895930), (10, 1947965), (25, 779186), (50, 389593), (317, 61450), (634, 30725), (1229, 15850), (1585, 12290), (2458, 7925), (3170, 6145)]