19934525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{739}}^1$

素因数の和:845

約数の個数: 24

約数和(自身を含む): 26977440

約数和(自身を除く): 7042915

約数列:

[1, 5, 13, 25, 65, 83, 325, 415, 739, 1079, 2075, 3695, 5395, 9607, 18475, 26975, 48035, 61337, 240175, 306685, 797381, 1533425, 3986905, 19934525]

約数ペア:

[(1, 19934525), (5, 3986905), (13, 1533425), (25, 797381), (65, 306685), (83, 240175), (325, 61337), (415, 48035), (739, 26975), (1079, 18475), (2075, 9607), (3695, 5395)]