18272807

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{3571}}^1$

素因数の和:3638

約数の個数: 16

約数和(自身を含む): 22632192

約数和(自身を除く): 4359385

約数列:

[1, 7, 17, 43, 119, 301, 731, 3571, 5117, 24997, 60707, 153553, 424949, 1074871, 2610401, 18272807]

約数ペア:

[(1, 18272807), (7, 2610401), (17, 1074871), (43, 424949), (119, 153553), (301, 60707), (731, 24997), (3571, 5117)]