1921000318

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{208759}}^1$

素因数の和:208911

約数の個数: 16

約数和(自身を含む): 2976082560

約数和(自身を除く): 1055082242

約数列:

[1, 2, 43, 86, 107, 214, 4601, 9202, 208759, 417518, 8976637, 17953274, 22337213, 44674426, 960500159, 1921000318]

約数ペア:

[(1, 1921000318), (2, 960500159), (43, 44674426), (86, 22337213), (107, 17953274), (214, 8976637), (4601, 417518), (9202, 208759)]