19667710

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{27701}}^1$

素因数の和:27779

約数の個数: 16

約数和(自身を含む): 35901792

約数和(自身を除く): 16234082

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 27701, 55402, 138505, 277010, 1966771, 3933542, 9833855, 19667710]

約数ペア:

[(1, 19667710), (2, 9833855), (5, 3933542), (10, 1966771), (71, 277010), (142, 138505), (355, 55402), (710, 27701)]