19690231

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{349}}^1$

素因数の和:606

約数の個数: 16

約数和(自身を含む): 22579200

約数和(自身を除く): 2888969

約数列:

[1, 11, 23, 223, 253, 349, 2453, 3839, 5129, 8027, 56419, 77827, 88297, 856097, 1790021, 19690231]

約数ペア:

[(1, 19690231), (11, 1790021), (23, 856097), (223, 88297), (253, 77827), (349, 56419), (2453, 8027), (3839, 5129)]