18482320

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2243}}^1$

素因数の和:2359

約数の個数: 40

約数和(自身を含む): 43407936

約数和(自身を除く): 24925616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 2243, 4120, 4486, 8240, 8972, 11215, 17944, 22430, 35888, 44860, 89720, 179440, 231029, 462058, 924116, 1155145, 1848232, 2310290, 3696464, 4620580, 9241160, 18482320]

約数ペア:

[(1, 18482320), (2, 9241160), (4, 4620580), (5, 3696464), (8, 2310290), (10, 1848232), (16, 1155145), (20, 924116), (40, 462058), (80, 231029), (103, 179440), (206, 89720), (412, 44860), (515, 35888), (824, 22430), (1030, 17944), (1648, 11215), (2060, 8972), (2243, 8240), (4120, 4486)]