19852197

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{6691}}^1$

素因数の和:6760

約数の個数: 16

約数和(自身を含む): 28267008

約数和(自身を除く): 8414811

約数列:

[1, 3, 23, 43, 69, 129, 989, 2967, 6691, 20073, 153893, 287713, 461679, 863139, 6617399, 19852197]

約数ペア:

[(1, 19852197), (3, 6617399), (23, 863139), (43, 461679), (69, 287713), (129, 153893), (989, 20073), (2967, 6691)]