18979968003

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{89107831}}^1$

素因数の和:89107905

約数の個数: 8

約数和(自身を含む): 25663055616

約数和(自身を除く): 6683087613

約数列:

[1, 3, 71, 213, 89107831, 267323493, 6326656001, 18979968003]

約数ペア:

[(1, 18979968003), (3, 6326656001), (71, 267323493), (213, 89107831)]