19943343

素因数分解:

$3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1103}}^1$

素因数の和:1164

約数の個数: 36

約数和(自身を含む): 34358688

約数和(自身を除く): 14415345

約数列:

[1, 3, 7, 9, 21, 41, 49, 63, 123, 147, 287, 369, 441, 861, 1103, 2009, 2583, 3309, 6027, 7721, 9927, 18081, 23163, 45223, 54047, 69489, 135669, 162141, 316561, 407007, 486423, 949683, 2215927, 2849049, 6647781, 19943343]

約数ペア:

[(1, 19943343), (3, 6647781), (7, 2849049), (9, 2215927), (21, 949683), (41, 486423), (49, 407007), (63, 316561), (123, 162141), (147, 135669), (287, 69489), (369, 54047), (441, 45223), (861, 23163), (1103, 18081), (2009, 9927), (2583, 7721), (3309, 6027)]