18723418

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{19961}}^1$

素因数の和:20037

約数の個数: 16

約数和(自身を含む): 32577984

約数和(自身を除く): 13854566

約数列:

[1, 2, 7, 14, 67, 134, 469, 938, 19961, 39922, 139727, 279454, 1337387, 2674774, 9361709, 18723418]

約数ペア:

[(1, 18723418), (2, 9361709), (7, 2674774), (14, 1337387), (67, 279454), (134, 139727), (469, 39922), (938, 19961)]