19312025

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{227}}^1$

素因数の和:361

約数の個数: 24

約数和(自身を含む): 24935904

約数和(自身を除く): 5623879

約数列:

[1, 5, 25, 41, 83, 205, 227, 415, 1025, 1135, 2075, 3403, 5675, 9307, 17015, 18841, 46535, 85075, 94205, 232675, 471025, 772481, 3862405, 19312025]

約数ペア:

[(1, 19312025), (5, 3862405), (25, 772481), (41, 471025), (83, 232675), (205, 94205), (227, 85075), (415, 46535), (1025, 18841), (1135, 17015), (2075, 9307), (3403, 5675)]