18809525

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5657}}^1$

素因数の和:5693

約数の個数: 24

約数和(自身を含む): 28063680

約数和(自身を除く): 9254155

約数列:

[1, 5, 7, 19, 25, 35, 95, 133, 175, 475, 665, 3325, 5657, 28285, 39599, 107483, 141425, 197995, 537415, 752381, 989975, 2687075, 3761905, 18809525]

約数ペア:

[(1, 18809525), (5, 3761905), (7, 2687075), (19, 989975), (25, 752381), (35, 537415), (95, 197995), (133, 141425), (175, 107483), (475, 39599), (665, 28285), (3325, 5657)]