18708996866

素因数分解:

$2^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{12489317}}^1$

素因数の和:12489433

約数の個数: 16

約数和(自身を含む): 32372312256

約数和(自身を除く): 13663315390

約数列:

[1, 2, 7, 14, 107, 214, 749, 1498, 12489317, 24978634, 87425219, 174850438, 1336356919, 2672713838, 9354498433, 18708996866]

約数ペア:

[(1, 18708996866), (2, 9354498433), (7, 2672713838), (14, 1336356919), (107, 174850438), (214, 87425219), (749, 24978634), (1498, 12489317)]