19610825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{727}}^1$

素因数の和:833

約数の個数: 24

約数和(自身を含む): 26539968

約数和(自身を除く): 6929143

約数列:

[1, 5, 13, 25, 65, 83, 325, 415, 727, 1079, 2075, 3635, 5395, 9451, 18175, 26975, 47255, 60341, 236275, 301705, 784433, 1508525, 3922165, 19610825]

約数ペア:

[(1, 19610825), (5, 3922165), (13, 1508525), (25, 784433), (65, 301705), (83, 236275), (325, 60341), (415, 47255), (727, 26975), (1079, 18175), (2075, 9451), (3635, 5395)]