19938334

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{40361}}^1$

素因数の和:40395

約数の個数: 16

約数和(自身を含む): 33904080

約数和(自身を除く): 13965746

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 40361, 80722, 524693, 766859, 1049386, 1533718, 9969167, 19938334]

約数ペア:

[(1, 19938334), (2, 9969167), (13, 1533718), (19, 1049386), (26, 766859), (38, 524693), (247, 80722), (494, 40361)]