18310825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{547}}^1$

素因数の和:673

約数の個数: 24

約数和(自身を含む): 24734528

約数和(自身を除く): 6423703

約数列:

[1, 5, 13, 25, 65, 103, 325, 515, 547, 1339, 2575, 2735, 6695, 7111, 13675, 33475, 35555, 56341, 177775, 281705, 732433, 1408525, 3662165, 18310825]

約数ペア:

[(1, 18310825), (5, 3662165), (13, 1408525), (25, 732433), (65, 281705), (103, 177775), (325, 56341), (515, 35555), (547, 33475), (1339, 13675), (2575, 7111), (2735, 6695)]