18804901017

素因数分解:

$3^1\times 7^1\times {\mathrm{23473}}^1\times {\mathrm{38149}}^1$

素因数の和:61632

約数の個数: 16

約数和(自身を含む): 28657059200

約数和(自身を除く): 9852158183

約数列:

[1, 3, 7, 21, 23473, 38149, 70419, 114447, 164311, 267043, 492933, 801129, 895471477, 2686414431, 6268300339, 18804901017]

約数ペア:

[(1, 18804901017), (3, 6268300339), (7, 2686414431), (21, 895471477), (23473, 801129), (38149, 492933), (70419, 267043), (114447, 164311)]