13219619

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1187}}^1$

素因数の和:1274

約数の個数: 16

約数和(自身を含む): 15890688

約数和(自身を除く): 2671069

約数列:

[1, 7, 37, 43, 259, 301, 1187, 1591, 8309, 11137, 43919, 51041, 307433, 357287, 1888517, 13219619]

約数ペア:

[(1, 13219619), (7, 1888517), (37, 357287), (43, 307433), (259, 51041), (301, 43919), (1187, 11137), (1591, 8309)]