18194440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41351}}^1$

素因数の和:41373

約数の個数: 32

約数和(自身を含む): 44660160

約数和(自身を除く): 26465720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 41351, 82702, 165404, 206755, 330808, 413510, 454861, 827020, 909722, 1654040, 1819444, 2274305, 3638888, 4548610, 9097220, 18194440]

約数ペア:

[(1, 18194440), (2, 9097220), (4, 4548610), (5, 3638888), (8, 2274305), (10, 1819444), (11, 1654040), (20, 909722), (22, 827020), (40, 454861), (44, 413510), (55, 330808), (88, 206755), (110, 165404), (220, 82702), (440, 41351)]