19939557

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{5647}}^1$

素因数の和:5768

約数の個数: 16

約数和(自身を含む): 29279232

約数和(自身を除く): 9339675

約数列:

[1, 3, 11, 33, 107, 321, 1177, 3531, 5647, 16941, 62117, 186351, 604229, 1812687, 6646519, 19939557]

約数ペア:

[(1, 19939557), (3, 6646519), (11, 1812687), (33, 604229), (107, 186351), (321, 62117), (1177, 16941), (3531, 5647)]