19774391

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{839}}^1$

素因数の和:903

約数の個数: 24

約数和(自身を含む): 25472160

約数和(自身を除く): 5697769

約数列:

[1, 7, 13, 37, 49, 91, 259, 481, 637, 839, 1813, 3367, 5873, 10907, 23569, 31043, 41111, 76349, 217301, 403559, 534443, 1521107, 2824913, 19774391]

約数ペア:

[(1, 19774391), (7, 2824913), (13, 1521107), (37, 534443), (49, 403559), (91, 217301), (259, 76349), (481, 41111), (637, 31043), (839, 23569), (1813, 10907), (3367, 5873)]