19137609

素因数分解:

$3^2\times {\mathrm{643}}^1\times {\mathrm{3307}}^1$

素因数の和:3956

約数の個数: 12

約数和(自身を含む): 27694576

約数和(自身を除く): 8556967

約数列:

[1, 3, 9, 643, 1929, 3307, 5787, 9921, 29763, 2126401, 6379203, 19137609]

約数ペア:

[(1, 19137609), (3, 6379203), (9, 2126401), (643, 29763), (1929, 9921), (3307, 5787)]