18628240

素因数分解:

$2^4\times 5^1\times {\mathrm{232853}}^1$

素因数の和:232866

約数の個数: 20

約数和(自身を含む): 43310844

約数和(自身を除く): 24682604

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 232853, 465706, 931412, 1164265, 1862824, 2328530, 3725648, 4657060, 9314120, 18628240]

約数ペア:

[(1, 18628240), (2, 9314120), (4, 4657060), (5, 3725648), (8, 2328530), (10, 1862824), (16, 1164265), (20, 931412), (40, 465706), (80, 232853)]