18104440

素因数分解:

$2^3\times 5^1\times {\mathrm{452611}}^1$

素因数の和:452622

約数の個数: 16

約数和(自身を含む): 40735080

約数和(自身を除く): 22630640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 452611, 905222, 1810444, 2263055, 3620888, 4526110, 9052220, 18104440]

約数ペア:

[(1, 18104440), (2, 9052220), (4, 4526110), (5, 3620888), (8, 2263055), (10, 1810444), (20, 905222), (40, 452611)]