19863669

素因数分解:

$3^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{829}}^1$

素因数の和:1009

約数の個数: 24

約数和(自身を含む): 31035360

約数和(自身を除く): 11171691

約数列:

[1, 3, 7, 21, 49, 147, 163, 489, 829, 1141, 2487, 3423, 5803, 7987, 17409, 23961, 40621, 121863, 135127, 405381, 945889, 2837667, 6621223, 19863669]

約数ペア:

[(1, 19863669), (3, 6621223), (7, 2837667), (21, 945889), (49, 405381), (147, 135127), (163, 121863), (489, 40621), (829, 23961), (1141, 17409), (2487, 7987), (3423, 5803)]