19744557

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{40879}}^1$

素因数の和:40912

約数の個数: 16

約数和(自身を含む): 31395840

約数和(自身を除く): 11651283

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 40879, 122637, 286153, 858459, 940217, 2820651, 6581519, 19744557]

約数ペア:

[(1, 19744557), (3, 6581519), (7, 2820651), (21, 940217), (23, 858459), (69, 286153), (161, 122637), (483, 40879)]