19820159998

素因数分解:

$2^1\times {\mathrm{113}}^1\times {\mathrm{311}}^1\times {\mathrm{281993}}^1$

素因数の和:282419

約数の個数: 16

約数和(自身を含む): 30089887776

約数和(自身を除く): 10269727778

約数列:

[1, 2, 113, 226, 311, 622, 35143, 70286, 281993, 563986, 31865209, 63730418, 87699823, 175399646, 9910079999, 19820159998]

約数ペア:

[(1, 19820159998), (2, 9910079999), (113, 175399646), (226, 87699823), (311, 63730418), (622, 31865209), (35143, 563986), (70286, 281993)]