18193340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2017}}^1$

素因数の和:2078

約数の個数: 48

約数和(自身を含む): 42717024

約数和(自身を除く): 24523684

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2017, 2255, 4034, 4510, 8068, 9020, 10085, 20170, 22187, 40340, 44374, 82697, 88748, 110935, 165394, 221870, 330788, 413485, 443740, 826970, 909667, 1653940, 1819334, 3638668, 4548335, 9096670, 18193340]

約数ペア:

[(1, 18193340), (2, 9096670), (4, 4548335), (5, 3638668), (10, 1819334), (11, 1653940), (20, 909667), (22, 826970), (41, 443740), (44, 413485), (55, 330788), (82, 221870), (110, 165394), (164, 110935), (205, 88748), (220, 82697), (410, 44374), (451, 40340), (820, 22187), (902, 20170), (1804, 10085), (2017, 9020), (2255, 8068), (4034, 4510)]