19215021

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{9433}}^1$

素因数の和:9540

約数の個数: 16

約数和(自身を含む): 29585024

約数和(自身を除く): 10370003

約数列:

[1, 3, 7, 21, 97, 291, 679, 2037, 9433, 28299, 66031, 198093, 915001, 2745003, 6405007, 19215021]

約数ペア:

[(1, 19215021), (3, 6405007), (7, 2745003), (21, 915001), (97, 198093), (291, 66031), (679, 28299), (2037, 9433)]