11519781

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{42197}}^1$

素因数の和:42220

約数の個数: 16

約数和(自身を含む): 18904704

約数和(自身を除く): 7384923

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 42197, 126591, 295379, 548561, 886137, 1645683, 3839927, 11519781]

約数ペア:

[(1, 11519781), (3, 3839927), (7, 1645683), (13, 886137), (21, 548561), (39, 295379), (91, 126591), (273, 42197)]