18791013845

素因数分解:

$5^1\times {\mathrm{137}}^1\times {\mathrm{337}}^1\times {\mathrm{81401}}^1$

素因数の和:81880

約数の個数: 16

約数和(自身を含む): 22781489328

約数和(自身を除く): 3990475483

約数列:

[1, 5, 137, 337, 685, 1685, 46169, 81401, 230845, 407005, 11151937, 27432137, 55759685, 137160685, 3758202769, 18791013845]

約数ペア:

[(1, 18791013845), (5, 3758202769), (137, 137160685), (337, 55759685), (685, 27432137), (1685, 11151937), (46169, 407005), (81401, 230845)]