18548240

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2251}}^1$

素因数の和:2367

約数の個数: 40

約数和(自身を含む): 43562688

約数和(自身を除く): 25014448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 2251, 4120, 4502, 8240, 9004, 11255, 18008, 22510, 36016, 45020, 90040, 180080, 231853, 463706, 927412, 1159265, 1854824, 2318530, 3709648, 4637060, 9274120, 18548240]

約数ペア:

[(1, 18548240), (2, 9274120), (4, 4637060), (5, 3709648), (8, 2318530), (10, 1854824), (16, 1159265), (20, 927412), (40, 463706), (80, 231853), (103, 180080), (206, 90040), (412, 45020), (515, 36016), (824, 22510), (1030, 18008), (1648, 11255), (2060, 9004), (2251, 8240), (4120, 4502)]