18812157

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{68909}}^1$

素因数の和:68932

約数の個数: 16

約数和(自身を含む): 30871680

約数和(自身を除く): 12059523

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 68909, 206727, 482363, 895817, 1447089, 2687451, 6270719, 18812157]

約数ペア:

[(1, 18812157), (3, 6270719), (7, 2687451), (13, 1447089), (21, 895817), (39, 482363), (91, 206727), (273, 68909)]