12918689

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{709}}^1$

素因数の和:872

約数の個数: 16

約数和(自身を含む): 15676800

約数和(自身を除く): 2758111

約数列:

[1, 7, 19, 133, 137, 709, 959, 2603, 4963, 13471, 18221, 94297, 97133, 679931, 1845527, 12918689]

約数ペア:

[(1, 12918689), (7, 1845527), (19, 679931), (133, 97133), (137, 94297), (709, 18221), (959, 13471), (2603, 4963)]