18908828

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{278071}}^1$

素因数の和:278092

約数の個数: 12

約数和(自身を含む): 35037072

約数和(自身を除く): 16128244

約数列:

[1, 2, 4, 17, 34, 68, 278071, 556142, 1112284, 4727207, 9454414, 18908828]

約数ペア:

[(1, 18908828), (2, 9454414), (4, 4727207), (17, 1112284), (34, 556142), (68, 278071)]