18307895

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{5009}}^1$

素因数の和:5074

約数の個数: 16

約数和(自身を含む): 23807520

約数和(自身を除く): 5499625

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 5009, 25045, 85153, 215387, 425765, 1076935, 3661579, 18307895]

約数ペア:

[(1, 18307895), (5, 3661579), (17, 1076935), (43, 425765), (85, 215387), (215, 85153), (731, 25045), (3655, 5009)]