18154487

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:203

約数の個数: 24

約数和(自身を含む): 21345120

約数和(自身を除く): 3190633

約数列:

[1, 13, 17, 71, 89, 169, 221, 923, 1157, 1207, 1513, 2873, 6319, 11999, 15041, 15691, 19669, 82147, 107423, 203983, 255697, 1067911, 1396499, 18154487]

約数ペア:

[(1, 18154487), (13, 1396499), (17, 1067911), (71, 255697), (89, 203983), (169, 107423), (221, 82147), (923, 19669), (1157, 15691), (1207, 15041), (1513, 11999), (2873, 6319)]