18877029136

素因数分解:

$2^4\times 7^1\times {\mathrm{168544903}}^1$

素因数の和:168544918

約数の個数: 20

約数和(自身を含む): 41799136192

約数和(自身を除く): 22922107056

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 168544903, 337089806, 674179612, 1179814321, 1348359224, 2359628642, 2696718448, 4719257284, 9438514568, 18877029136]

約数ペア:

[(1, 18877029136), (2, 9438514568), (4, 4719257284), (7, 2696718448), (8, 2359628642), (14, 1348359224), (16, 1179814321), (28, 674179612), (56, 337089806), (112, 168544903)]