19990322438

素因数分解:

$2^1\times {\mathrm{439}}^1\times {\mathrm{1249}}^1\times {\mathrm{18229}}^1$

素因数の和:19919

約数の個数: 16

約数和(自身を含む): 30079500000

約数和(自身を除く): 10089177562

約数列:

[1, 2, 439, 878, 1249, 2498, 18229, 36458, 548311, 1096622, 8002531, 16005062, 22768021, 45536042, 9995161219, 19990322438]

約数ペア:

[(1, 19990322438), (2, 9995161219), (439, 45536042), (878, 22768021), (1249, 16005062), (2498, 8002531), (18229, 1096622), (36458, 548311)]