18211468

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{191}}^1\times {\mathrm{197}}^1$

素因数の和:414

約数の個数: 36

約数和(自身を含む): 35392896

約数和(自身を除く): 17181428

約数列:

[1, 2, 4, 11, 22, 44, 121, 191, 197, 242, 382, 394, 484, 764, 788, 2101, 2167, 4202, 4334, 8404, 8668, 23111, 23837, 37627, 46222, 47674, 75254, 92444, 95348, 150508, 413897, 827794, 1655588, 4552867, 9105734, 18211468]

約数ペア:

[(1, 18211468), (2, 9105734), (4, 4552867), (11, 1655588), (22, 827794), (44, 413897), (121, 150508), (191, 95348), (197, 92444), (242, 75254), (382, 47674), (394, 46222), (484, 37627), (764, 23837), (788, 23111), (2101, 8668), (2167, 8404), (4202, 4334)]