18675875

素因数分解:

$5^3\times {\mathrm{53}}^1\times {\mathrm{2819}}^1$

素因数の和:2887

約数の個数: 16

約数和(自身を含む): 23755680

約数和(自身を除く): 5079805

約数列:

[1, 5, 25, 53, 125, 265, 1325, 2819, 6625, 14095, 70475, 149407, 352375, 747035, 3735175, 18675875]

約数ペア:

[(1, 18675875), (5, 3735175), (25, 747035), (53, 352375), (125, 149407), (265, 70475), (1325, 14095), (2819, 6625)]