18388706428

素因数分解:

$2^2\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{260419}}^1$

素因数の和:260689

約数の個数: 24

約数和(自身を含む): 32667084800

約数和(自身を除く): 14278378372

約数列:

[1, 2, 4, 127, 139, 254, 278, 508, 556, 17653, 35306, 70612, 260419, 520838, 1041676, 33073213, 36198241, 66146426, 72396482, 132292852, 144792964, 4597176607, 9194353214, 18388706428]

約数ペア:

[(1, 18388706428), (2, 9194353214), (4, 4597176607), (127, 144792964), (139, 132292852), (254, 72396482), (278, 66146426), (508, 36198241), (556, 33073213), (17653, 1041676), (35306, 520838), (70612, 260419)]