19043367

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{21089}}^1$

素因数の和:21142

約数の個数: 16

約数和(自身を含む): 29694720

約数和(自身を除く): 10651353

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 21089, 63267, 147623, 442869, 906827, 2720481, 6347789, 19043367]

約数ペア:

[(1, 19043367), (3, 6347789), (7, 2720481), (21, 906827), (43, 442869), (129, 147623), (301, 63267), (903, 21089)]