18833275

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1279}}^1$

素因数の和:1339

約数の個数: 24

約数和(自身を含む): 25395200

約数和(自身を除く): 6561925

約数列:

[1, 5, 19, 25, 31, 95, 155, 475, 589, 775, 1279, 2945, 6395, 14725, 24301, 31975, 39649, 121505, 198245, 607525, 753331, 991225, 3766655, 18833275]

約数ペア:

[(1, 18833275), (5, 3766655), (19, 991225), (25, 753331), (31, 607525), (95, 198245), (155, 121505), (475, 39649), (589, 31975), (775, 24301), (1279, 14725), (2945, 6395)]