18328280

素因数分解:

$2^3\times 5^1\times {\mathrm{458207}}^1$

素因数の和:458218

約数の個数: 16

約数和(自身を含む): 41238720

約数和(自身を除く): 22910440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 458207, 916414, 1832828, 2291035, 3665656, 4582070, 9164140, 18328280]

約数ペア:

[(1, 18328280), (2, 9164140), (4, 4582070), (5, 3665656), (8, 2291035), (10, 1832828), (20, 916414), (40, 458207)]