19983564

素因数分解:

$2^2\times 3^3\times {\mathrm{41}}^1\times {\mathrm{4513}}^1$

素因数の和:4567

約数の個数: 48

約数和(自身を含む): 53084640

約数和(自身を除く): 33101076

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 41, 54, 82, 108, 123, 164, 246, 369, 492, 738, 1107, 1476, 2214, 4428, 4513, 9026, 13539, 18052, 27078, 40617, 54156, 81234, 121851, 162468, 185033, 243702, 370066, 487404, 555099, 740132, 1110198, 1665297, 2220396, 3330594, 4995891, 6661188, 9991782, 19983564]

約数ペア:

[(1, 19983564), (2, 9991782), (3, 6661188), (4, 4995891), (6, 3330594), (9, 2220396), (12, 1665297), (18, 1110198), (27, 740132), (36, 555099), (41, 487404), (54, 370066), (82, 243702), (108, 185033), (123, 162468), (164, 121851), (246, 81234), (369, 54156), (492, 40617), (738, 27078), (1107, 18052), (1476, 13539), (2214, 9026), (4428, 4513)]