1898709988

素因数分解:

$2^2\times 7^1\times {\mathrm{67811071}}^1$

素因数の和:67811082

約数の個数: 12

約数和(自身を含む): 3797420032

約数和(自身を除く): 1898710044

約数列:

[1, 2, 4, 7, 14, 28, 67811071, 135622142, 271244284, 474677497, 949354994, 1898709988]

約数ペア:

[(1, 1898709988), (2, 949354994), (4, 474677497), (7, 271244284), (14, 135622142), (28, 67811071)]