19812963

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{2039}}^1$

素因数の和:2162

約数の個数: 16

約数和(自身を含む): 27417600

約数和(自身を除く): 7604637

約数列:

[1, 3, 41, 79, 123, 237, 2039, 3239, 6117, 9717, 83599, 161081, 250797, 483243, 6604321, 19812963]

約数ペア:

[(1, 19812963), (3, 6604321), (41, 483243), (79, 250797), (123, 161081), (237, 83599), (2039, 9717), (3239, 6117)]