18143620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{82471}}^1$

素因数の和:82491

約数の個数: 24

約数和(自身を含む): 41565888

約数和(自身を除く): 23422268

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 82471, 164942, 329884, 412355, 824710, 907181, 1649420, 1814362, 3628724, 4535905, 9071810, 18143620]

約数ペア:

[(1, 18143620), (2, 9071810), (4, 4535905), (5, 3628724), (10, 1814362), (11, 1649420), (20, 907181), (22, 824710), (44, 412355), (55, 329884), (110, 164942), (220, 82471)]