18115721

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1033}}^1$

素因数の和:1136

約数の個数: 16

約数和(自身を含む): 20845440

約数和(自身を除く): 2729719

約数列:

[1, 13, 19, 71, 247, 923, 1033, 1349, 13429, 17537, 19627, 73343, 255151, 953459, 1393517, 18115721]

約数ペア:

[(1, 18115721), (13, 1393517), (19, 953459), (71, 255151), (247, 73343), (923, 19627), (1033, 17537), (1349, 13429)]