19750975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{967}}^1$

素因数の和:1039

約数の個数: 24

約数和(自身を含む): 26407040

約数和(自身を除く): 6656065

約数列:

[1, 5, 19, 25, 43, 95, 215, 475, 817, 967, 1075, 4085, 4835, 18373, 20425, 24175, 41581, 91865, 207905, 459325, 790039, 1039525, 3950195, 19750975]

約数ペア:

[(1, 19750975), (5, 3950195), (19, 1039525), (25, 790039), (43, 459325), (95, 207905), (215, 91865), (475, 41581), (817, 24175), (967, 20425), (1075, 18373), (4085, 4835)]