19722423

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{21841}}^1$

素因数の和:21894

約数の個数: 16

約数和(自身を含む): 30753536

約数和(自身を除く): 11031113

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 21841, 65523, 152887, 458661, 939163, 2817489, 6574141, 19722423]

約数ペア:

[(1, 19722423), (3, 6574141), (7, 2817489), (21, 939163), (43, 458661), (129, 152887), (301, 65523), (903, 21841)]