18596320

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1637}}^1$

素因数の和:1723

約数の個数: 48

約数和(自身を含む): 44579808

約数和(自身を除く): 25983488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 1637, 2272, 2840, 3274, 5680, 6548, 8185, 11360, 13096, 16370, 26192, 32740, 52384, 65480, 116227, 130960, 232454, 261920, 464908, 581135, 929816, 1162270, 1859632, 2324540, 3719264, 4649080, 9298160, 18596320]

約数ペア:

[(1, 18596320), (2, 9298160), (4, 4649080), (5, 3719264), (8, 2324540), (10, 1859632), (16, 1162270), (20, 929816), (32, 581135), (40, 464908), (71, 261920), (80, 232454), (142, 130960), (160, 116227), (284, 65480), (355, 52384), (568, 32740), (710, 26192), (1136, 16370), (1420, 13096), (1637, 11360), (2272, 8185), (2840, 6548), (3274, 5680)]