18929845

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{467}}^1$

素因数の和:561

約数の個数: 24

約数和(自身を含む): 25395552

約数和(自身を除く): 6465707

約数列:

[1, 5, 11, 55, 67, 121, 335, 467, 605, 737, 2335, 3685, 5137, 8107, 25685, 31289, 40535, 56507, 156445, 282535, 344179, 1720895, 3785969, 18929845]

約数ペア:

[(1, 18929845), (5, 3785969), (11, 1720895), (55, 344179), (67, 282535), (121, 156445), (335, 56507), (467, 40535), (605, 31289), (737, 25685), (2335, 8107), (3685, 5137)]