18941091

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{6653}}^1$

素因数の和:6742

約数の個数: 16

約数和(自身を含む): 27574176

約数和(自身を除く): 8633085

約数列:

[1, 3, 13, 39, 73, 219, 949, 2847, 6653, 19959, 86489, 259467, 485669, 1457007, 6313697, 18941091]

約数ペア:

[(1, 18941091), (3, 6313697), (13, 1457007), (39, 485669), (73, 259467), (219, 86489), (949, 19959), (2847, 6653)]