19926501

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{22067}}^1$

素因数の和:22120

約数の個数: 16

約数和(自身を含む): 31071744

約数和(自身を除く): 11145243

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 22067, 66201, 154469, 463407, 948881, 2846643, 6642167, 19926501]

約数ペア:

[(1, 19926501), (3, 6642167), (7, 2846643), (21, 948881), (43, 463407), (129, 154469), (301, 66201), (903, 22067)]