19953903

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{17011}}^1$

素因数の和:17054

約数の個数: 16

約数和(自身を含む): 29396736

約数和(自身を除く): 9442833

約数列:

[1, 3, 17, 23, 51, 69, 391, 1173, 17011, 51033, 289187, 391253, 867561, 1173759, 6651301, 19953903]

約数ペア:

[(1, 19953903), (3, 6651301), (17, 1173759), (23, 867561), (51, 391253), (69, 289187), (391, 51033), (1173, 17011)]