18188230

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{4447}}^1$

素因数の和:4863

約数の個数: 16

約数和(自身を含む): 32826240

約数和(自身を除く): 14638010

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 4447, 8894, 22235, 44470, 1818823, 3637646, 9094115, 18188230]

約数ペア:

[(1, 18188230), (2, 9094115), (5, 3637646), (10, 1818823), (409, 44470), (818, 22235), (2045, 8894), (4090, 4447)]