19237975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{401}}^1$

素因数の和:531

約数の個数: 24

約数和(自身を含む): 25422480

約数和(自身を除く): 6184505

約数列:

[1, 5, 19, 25, 95, 101, 401, 475, 505, 1919, 2005, 2525, 7619, 9595, 10025, 38095, 40501, 47975, 190475, 202505, 769519, 1012525, 3847595, 19237975]

約数ペア:

[(1, 19237975), (5, 3847595), (19, 1012525), (25, 769519), (95, 202505), (101, 190475), (401, 47975), (475, 40501), (505, 38095), (1919, 10025), (2005, 9595), (2525, 7619)]