19288269

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2141}}^1$

素因数の和:2178

約数の個数: 48

約数和(自身を含む): 37425024

約数和(自身を除く): 18136755

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 63, 77, 91, 99, 117, 143, 231, 273, 429, 693, 819, 1001, 1287, 2141, 3003, 6423, 9009, 14987, 19269, 23551, 27833, 44961, 70653, 83499, 134883, 164857, 194831, 211959, 250497, 306163, 494571, 584493, 918489, 1483713, 1753479, 2143141, 2755467, 6429423, 19288269]

約数ペア:

[(1, 19288269), (3, 6429423), (7, 2755467), (9, 2143141), (11, 1753479), (13, 1483713), (21, 918489), (33, 584493), (39, 494571), (63, 306163), (77, 250497), (91, 211959), (99, 194831), (117, 164857), (143, 134883), (231, 83499), (273, 70653), (429, 44961), (693, 27833), (819, 23551), (1001, 19269), (1287, 14987), (2141, 9009), (3003, 6423)]