2019861805

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{569}}^1\times {\mathrm{4201}}^1$

素因数の和:4801

約数の個数: 24

約数和(自身を含む): 2629863720

約数和(自身を除く): 610001915

約数列:

[1, 5, 13, 65, 169, 569, 845, 2845, 4201, 7397, 21005, 36985, 54613, 96161, 273065, 480805, 709969, 2390369, 3549845, 11951845, 31074797, 155373985, 403972361, 2019861805]

約数ペア:

[(1, 2019861805), (5, 403972361), (13, 155373985), (65, 31074797), (169, 11951845), (569, 3549845), (845, 2390369), (2845, 709969), (4201, 480805), (7397, 273065), (21005, 96161), (36985, 54613)]