18904391

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2351}}^1$

素因数の和:2422

約数の個数: 16

約数和(自身を含む): 22353408

約数和(自身を除く): 3449017

約数列:

[1, 11, 17, 43, 187, 473, 731, 2351, 8041, 25861, 39967, 101093, 439637, 1112023, 1718581, 18904391]

約数ペア:

[(1, 18904391), (11, 1718581), (17, 1112023), (43, 439637), (187, 101093), (473, 39967), (731, 25861), (2351, 8041)]