18570005

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{1543}}^1$

素因数の和:1660

約数の個数: 16

約数和(自身を含む): 23345280

約数和(自身を除く): 4775275

約数列:

[1, 5, 29, 83, 145, 415, 1543, 2407, 7715, 12035, 44747, 128069, 223735, 640345, 3714001, 18570005]

約数ペア:

[(1, 18570005), (5, 3714001), (29, 640345), (83, 223735), (145, 128069), (415, 44747), (1543, 12035), (2407, 7715)]