18870115

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{3331}}^1$

素因数の和:3450

約数の個数: 16

約数和(自身を含む): 24950016

約数和(自身を除く): 6079901

約数列:

[1, 5, 11, 55, 103, 515, 1133, 3331, 5665, 16655, 36641, 183205, 343093, 1715465, 3774023, 18870115]

約数ペア:

[(1, 18870115), (5, 3774023), (11, 1715465), (55, 343093), (103, 183205), (515, 36641), (1133, 16655), (3331, 5665)]