19690131

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{1657}}^1$

素因数の和:1910

約数の個数: 16

約数和(自身を含む): 27933984

約数和(自身を除く): 8243853

約数列:

[1, 3, 17, 51, 233, 699, 1657, 3961, 4971, 11883, 28169, 84507, 386081, 1158243, 6563377, 19690131]

約数ペア:

[(1, 19690131), (3, 6563377), (17, 1158243), (51, 386081), (233, 84507), (699, 28169), (1657, 11883), (3961, 4971)]