19490157

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{547}}^1$

素因数の和:697

約数の個数: 24

約数和(自身を含む): 29236896

約数和(自身を除く): 9746739

約数列:

[1, 3, 9, 37, 107, 111, 321, 333, 547, 963, 1641, 3959, 4923, 11877, 20239, 35631, 58529, 60717, 175587, 182151, 526761, 2165573, 6496719, 19490157]

約数ペア:

[(1, 19490157), (3, 6496719), (9, 2165573), (37, 526761), (107, 182151), (111, 175587), (321, 60717), (333, 58529), (547, 35631), (963, 20239), (1641, 11877), (3959, 4923)]