19904517

素因数分解:

$3^2\times {\mathrm{349}}^1\times {\mathrm{6337}}^1$

素因数の和:6692

約数の個数: 12

約数和(自身を含む): 28837900

約数和(自身を除く): 8933383

約数列:

[1, 3, 9, 349, 1047, 3141, 6337, 19011, 57033, 2211613, 6634839, 19904517]

約数ペア:

[(1, 19904517), (3, 6634839), (9, 2211613), (349, 57033), (1047, 19011), (3141, 6337)]