19523935

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1279}}^1$

素因数の和:1398

約数の個数: 16

約数和(自身を含む): 24330240

約数和(自身を除く): 4806305

約数列:

[1, 5, 43, 71, 215, 355, 1279, 3053, 6395, 15265, 54997, 90809, 274985, 454045, 3904787, 19523935]

約数ペア:

[(1, 19523935), (5, 3904787), (43, 454045), (71, 274985), (215, 90809), (355, 54997), (1279, 15265), (3053, 6395)]