18779794

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{23071}}^1$

素因数の和:23121

約数の個数: 16

約数和(自身を含む): 31562496

約数和(自身を除く): 12782702

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 23071, 46142, 253781, 507562, 853627, 1707254, 9389897, 18779794]

約数ペア:

[(1, 18779794), (2, 9389897), (11, 1707254), (22, 853627), (37, 507562), (74, 253781), (407, 46142), (814, 23071)]