17954960

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2179}}^1$

素因数の和:2295

約数の個数: 40

約数和(自身を含む): 42169920

約数和(自身を除く): 24214960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 2179, 4120, 4358, 8240, 8716, 10895, 17432, 21790, 34864, 43580, 87160, 174320, 224437, 448874, 897748, 1122185, 1795496, 2244370, 3590992, 4488740, 8977480, 17954960]

約数ペア:

[(1, 17954960), (2, 8977480), (4, 4488740), (5, 3590992), (8, 2244370), (10, 1795496), (16, 1122185), (20, 897748), (40, 448874), (80, 224437), (103, 174320), (206, 87160), (412, 43580), (515, 34864), (824, 21790), (1030, 17432), (1648, 10895), (2060, 8716), (2179, 8240), (4120, 4358)]