19262889

素因数分解:

$3^2\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{241}}^1$

素因数の和:437

約数の個数: 24

約数和(自身を含む): 28540512

約数和(自身を除く): 9277623

約数列:

[1, 3, 9, 83, 107, 241, 249, 321, 723, 747, 963, 2169, 8881, 20003, 25787, 26643, 60009, 77361, 79929, 180027, 232083, 2140321, 6420963, 19262889]

約数ペア:

[(1, 19262889), (3, 6420963), (9, 2140321), (83, 232083), (107, 180027), (241, 79929), (249, 77361), (321, 60009), (723, 26643), (747, 25787), (963, 20003), (2169, 8881)]