19744925

素因数分解:

$5^2\times {\mathrm{23}}^2\times {\mathrm{1493}}^1$

素因数の和:1549

約数の個数: 18

約数和(自身を含む): 25611642

約数和(自身を除く): 5866717

約数列:

[1, 5, 23, 25, 115, 529, 575, 1493, 2645, 7465, 13225, 34339, 37325, 171695, 789797, 858475, 3948985, 19744925]

約数ペア:

[(1, 19744925), (5, 3948985), (23, 858475), (25, 789797), (115, 171695), (529, 37325), (575, 34339), (1493, 13225), (2645, 7465)]