19293988

素因数分解:

$2^2\times 7^1\times {\mathrm{689071}}^1$

素因数の和:689082

約数の個数: 12

約数和(自身を含む): 38588032

約数和(自身を除く): 19294044

約数列:

[1, 2, 4, 7, 14, 28, 689071, 1378142, 2756284, 4823497, 9646994, 19293988]

約数ペア:

[(1, 19293988), (2, 9646994), (4, 4823497), (7, 2756284), (14, 1378142), (28, 689071)]