19921025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2467}}^1$

素因数の和:2513

約数の個数: 24

約数和(自身を含む): 27542880

約数和(自身を除く): 7621855

約数列:

[1, 5, 17, 19, 25, 85, 95, 323, 425, 475, 1615, 2467, 8075, 12335, 41939, 46873, 61675, 209695, 234365, 796841, 1048475, 1171825, 3984205, 19921025]

約数ペア:

[(1, 19921025), (5, 3984205), (17, 1171825), (19, 1048475), (25, 796841), (85, 234365), (95, 209695), (323, 61675), (425, 46873), (475, 41939), (1615, 12335), (2467, 8075)]