18588280

素因数分解:

$2^3\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1049}}^1$

素因数の和:1503

約数の個数: 32

約数和(自身を含む): 41958000

約数和(自身を除く): 23369720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 443, 886, 1049, 1772, 2098, 2215, 3544, 4196, 4430, 5245, 8392, 8860, 10490, 17720, 20980, 41960, 464707, 929414, 1858828, 2323535, 3717656, 4647070, 9294140, 18588280]

約数ペア:

[(1, 18588280), (2, 9294140), (4, 4647070), (5, 3717656), (8, 2323535), (10, 1858828), (20, 929414), (40, 464707), (443, 41960), (886, 20980), (1049, 17720), (1772, 10490), (2098, 8860), (2215, 8392), (3544, 5245), (4196, 4430)]