19258025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{401}}^1$

素因数の和:541

約数の個数: 24

約数和(自身を含む): 25572024

約数和(自身を除く): 6313999

約数列:

[1, 5, 17, 25, 85, 113, 401, 425, 565, 1921, 2005, 2825, 6817, 9605, 10025, 34085, 45313, 48025, 170425, 226565, 770321, 1132825, 3851605, 19258025]

約数ペア:

[(1, 19258025), (5, 3851605), (17, 1132825), (25, 770321), (85, 226565), (113, 170425), (401, 48025), (425, 45313), (565, 34085), (1921, 10025), (2005, 9605), (2825, 6817)]