19439147

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{11243}}^1$

素因数の和:11282

約数の個数: 16

約数和(自身を含む): 25186560

約数和(自身を除く): 5747413

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 11243, 78701, 146159, 213617, 1023113, 1495319, 2777021, 19439147]

約数ペア:

[(1, 19439147), (7, 2777021), (13, 1495319), (19, 1023113), (91, 213617), (133, 146159), (247, 78701), (1729, 11243)]