18017027

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2381}}^1$

素因数の和:2458

約数の個数: 16

約数和(自身を含む): 21952512

約数和(自身を除く): 3935485

約数列:

[1, 7, 23, 47, 161, 329, 1081, 2381, 7567, 16667, 54763, 111907, 383341, 783349, 2573861, 18017027]

約数ペア:

[(1, 18017027), (7, 2573861), (23, 783349), (47, 383341), (161, 111907), (329, 54763), (1081, 16667), (2381, 7567)]