19729854

素因数分解:

$2^1\times 3^2\times {\mathrm{857}}^1\times {\mathrm{1279}}^1$

素因数の和:2144

約数の個数: 24

約数和(自身を含む): 42831360

約数和(自身を除く): 23101506

約数列:

[1, 2, 3, 6, 9, 18, 857, 1279, 1714, 2558, 2571, 3837, 5142, 7674, 7713, 11511, 15426, 23022, 1096103, 2192206, 3288309, 6576618, 9864927, 19729854]

約数ペア:

[(1, 19729854), (2, 9864927), (3, 6576618), (6, 3288309), (9, 2192206), (18, 1096103), (857, 23022), (1279, 15426), (1714, 11511), (2558, 7713), (2571, 7674), (3837, 5142)]