18782125

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:214

約数の個数: 32

約数和(自身を含む): 25039872

約数和(自身を除く): 6257747

約数列:

[1, 5, 25, 31, 37, 125, 131, 155, 185, 655, 775, 925, 1147, 3275, 3875, 4061, 4625, 4847, 5735, 16375, 20305, 24235, 28675, 101525, 121175, 143375, 150257, 507625, 605875, 751285, 3756425, 18782125]

約数ペア:

[(1, 18782125), (5, 3756425), (25, 751285), (31, 605875), (37, 507625), (125, 150257), (131, 143375), (155, 121175), (185, 101525), (655, 28675), (775, 24235), (925, 20305), (1147, 16375), (3275, 5735), (3875, 4847), (4061, 4625)]