18808195

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{28283}}^1$

素因数の和:28314

約数の個数: 16

約数和(自身を含む): 27152640

約数和(自身を除く): 8344445

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 28283, 141415, 197981, 537377, 989905, 2686885, 3761639, 18808195]

約数ペア:

[(1, 18808195), (5, 3761639), (7, 2686885), (19, 989905), (35, 537377), (95, 197981), (133, 141415), (665, 28283)]