18522021

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{8243}}^1$

素因数の和:8360

約数の個数: 16

約数和(自身を含む): 28491264

約数和(自身を除く): 9969243

約数列:

[1, 3, 7, 21, 107, 321, 749, 2247, 8243, 24729, 57701, 173103, 882001, 2646003, 6174007, 18522021]

約数ペア:

[(1, 18522021), (3, 6174007), (7, 2646003), (21, 882001), (107, 173103), (321, 57701), (749, 24729), (2247, 8243)]