19975375

素因数分解:

$5^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{617}}^1$

素因数の和:676

約数の個数: 32

約数和(自身を含む): 29308032

約数和(自身を除く): 9332657

約数列:

[1, 5, 7, 25, 35, 37, 125, 175, 185, 259, 617, 875, 925, 1295, 3085, 4319, 4625, 6475, 15425, 21595, 22829, 32375, 77125, 107975, 114145, 159803, 539875, 570725, 799015, 2853625, 3995075, 19975375]

約数ペア:

[(1, 19975375), (5, 3995075), (7, 2853625), (25, 799015), (35, 570725), (37, 539875), (125, 159803), (175, 114145), (185, 107975), (259, 77125), (617, 32375), (875, 22829), (925, 21595), (1295, 15425), (3085, 6475), (4319, 4625)]