2018015620

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{443}}^1\times {\mathrm{953}}^1$

素因数の和:1644

約数の個数: 48

約数和(自身を含む): 4269646080

約数和(自身を除く): 2251630460

約数列:

[1, 2, 4, 5, 10, 20, 239, 443, 478, 886, 953, 956, 1195, 1772, 1906, 2215, 2390, 3812, 4430, 4765, 4780, 8860, 9530, 19060, 105877, 211754, 227767, 422179, 423508, 455534, 529385, 844358, 911068, 1058770, 1138835, 1688716, 2110895, 2117540, 2277670, 4221790, 4555340, 8443580, 100900781, 201801562, 403603124, 504503905, 1009007810, 2018015620]

約数ペア:

[(1, 2018015620), (2, 1009007810), (4, 504503905), (5, 403603124), (10, 201801562), (20, 100900781), (239, 8443580), (443, 4555340), (478, 4221790), (886, 2277670), (953, 2117540), (956, 2110895), (1195, 1688716), (1772, 1138835), (1906, 1058770), (2215, 911068), (2390, 844358), (3812, 529385), (4430, 455534), (4765, 423508), (4780, 422179), (8860, 227767), (9530, 211754), (19060, 105877)]