18111820

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{15349}}^1$

素因数の和:15417

約数の個数: 24

約数和(自身を含む): 38682000

約数和(自身を除く): 20570180

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 15349, 30698, 61396, 76745, 153490, 306980, 905591, 1811182, 3622364, 4527955, 9055910, 18111820]

約数ペア:

[(1, 18111820), (2, 9055910), (4, 4527955), (5, 3622364), (10, 1811182), (20, 905591), (59, 306980), (118, 153490), (236, 76745), (295, 61396), (590, 30698), (1180, 15349)]