18126440

素因数分解:

$2^3\times 5^1\times {\mathrm{453161}}^1$

素因数の和:453172

約数の個数: 16

約数和(自身を含む): 40784580

約数和(自身を除く): 22658140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 453161, 906322, 1812644, 2265805, 3625288, 4531610, 9063220, 18126440]

約数ペア:

[(1, 18126440), (2, 9063220), (4, 4531610), (5, 3625288), (8, 2265805), (10, 1812644), (20, 906322), (40, 453161)]