18997754

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1\times {\mathrm{379}}^1$

素因数の和:805

約数の個数: 16

約数和(自身を含む): 29056320

約数和(自身を除く): 10058566

約数列:

[1, 2, 71, 142, 353, 379, 706, 758, 25063, 26909, 50126, 53818, 133787, 267574, 9498877, 18997754]

約数ペア:

[(1, 18997754), (2, 9498877), (71, 267574), (142, 133787), (353, 53818), (379, 50126), (706, 26909), (758, 25063)]