18745069903

素因数分解:

$7^2\times {\mathrm{419}}^1\times {\mathrm{913013}}^1$

素因数の和:913446

約数の個数: 12

約数和(自身を含む): 21857555160

約数和(自身を除く): 3112485257

約数列:

[1, 7, 49, 419, 2933, 20531, 913013, 6391091, 44737637, 382552447, 2677867129, 18745069903]

約数ペア:

[(1, 18745069903), (7, 2677867129), (49, 382552447), (419, 44737637), (2933, 6391091), (20531, 913013)]