19667739

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{72043}}^1$

素因数の和:72066

約数の個数: 16

約数和(自身を含む): 32275712

約数和(自身を除く): 12607973

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 72043, 216129, 504301, 936559, 1512903, 2809677, 6555913, 19667739]

約数ペア:

[(1, 19667739), (3, 6555913), (7, 2809677), (13, 1512903), (21, 936559), (39, 504301), (91, 216129), (273, 72043)]