18939963

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{8429}}^1$

素因数の和:8546

約数の個数: 16

約数和(自身を含む): 29134080

約数和(自身を除く): 10194117

約数列:

[1, 3, 7, 21, 107, 321, 749, 2247, 8429, 25287, 59003, 177009, 901903, 2705709, 6313321, 18939963]

約数ペア:

[(1, 18939963), (3, 6313321), (7, 2705709), (21, 901903), (107, 177009), (321, 59003), (749, 25287), (2247, 8429)]