18251080

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{8609}}^1$

素因数の和:8673

約数の個数: 32

約数和(自身を含む): 41844600

約数和(自身を除く): 23593520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 8609, 17218, 34436, 43045, 68872, 86090, 172180, 344360, 456277, 912554, 1825108, 2281385, 3650216, 4562770, 9125540, 18251080]

約数ペア:

[(1, 18251080), (2, 9125540), (4, 4562770), (5, 3650216), (8, 2281385), (10, 1825108), (20, 912554), (40, 456277), (53, 344360), (106, 172180), (212, 86090), (265, 68872), (424, 43045), (530, 34436), (1060, 17218), (2120, 8609)]