18957710

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{26701}}^1$

素因数の和:26779

約数の個数: 16

約数和(自身を含む): 34605792

約数和(自身を除く): 15648082

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 26701, 53402, 133505, 267010, 1895771, 3791542, 9478855, 18957710]

約数ペア:

[(1, 18957710), (2, 9478855), (5, 3791542), (10, 1895771), (71, 267010), (142, 133505), (355, 53402), (710, 26701)]