19976151

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{4787}}^1$

素因数の和:4910

約数の個数: 16

約数和(自身を含む): 28957824

約数和(自身を除く): 8981673

約数列:

[1, 3, 13, 39, 107, 321, 1391, 4173, 4787, 14361, 62231, 186693, 512209, 1536627, 6658717, 19976151]

約数ペア:

[(1, 19976151), (3, 6658717), (13, 1536627), (39, 512209), (107, 186693), (321, 62231), (1391, 14361), (4173, 4787)]