11919820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{54181}}^1$

素因数の和:54201

約数の個数: 24

約数和(自身を含む): 27307728

約数和(自身を除く): 15387908

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 54181, 108362, 216724, 270905, 541810, 595991, 1083620, 1191982, 2383964, 2979955, 5959910, 11919820]

約数ペア:

[(1, 11919820), (2, 5959910), (4, 2979955), (5, 2383964), (10, 1191982), (11, 1083620), (20, 595991), (22, 541810), (44, 270905), (55, 216724), (110, 108362), (220, 54181)]