20180138678

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{75865183}}^1$

素因数の和:75865211

約数の個数: 16

約数和(自身を含む): 36415288320

約数和(自身を除く): 16235149642

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 75865183, 151730366, 531056281, 1062112562, 1441438477, 2882876954, 10090069339, 20180138678]

約数ペア:

[(1, 20180138678), (2, 10090069339), (7, 2882876954), (14, 1441438477), (19, 1062112562), (38, 531056281), (133, 151730366), (266, 75865183)]