19533875

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{71}}^2$

素因数の和:188

約数の個数: 24

約数和(自身を含む): 25524096

約数和(自身を除く): 5990221

約数列:

[1, 5, 25, 31, 71, 125, 155, 355, 775, 1775, 2201, 3875, 5041, 8875, 11005, 25205, 55025, 126025, 156271, 275125, 630125, 781355, 3906775, 19533875]

約数ペア:

[(1, 19533875), (5, 3906775), (25, 781355), (31, 630125), (71, 275125), (125, 156271), (155, 126025), (355, 55025), (775, 25205), (1775, 11005), (2201, 8875), (3875, 5041)]