18427480

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{12451}}^1$

素因数の和:12499

約数の個数: 32

約数和(自身を含む): 42585840

約数和(自身を除く): 24158360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 12451, 24902, 49804, 62255, 99608, 124510, 249020, 460687, 498040, 921374, 1842748, 2303435, 3685496, 4606870, 9213740, 18427480]

約数ペア:

[(1, 18427480), (2, 9213740), (4, 4606870), (5, 3685496), (8, 2303435), (10, 1842748), (20, 921374), (37, 498040), (40, 460687), (74, 249020), (148, 124510), (185, 99608), (296, 62255), (370, 49804), (740, 24902), (1480, 12451)]