19254543

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:188

約数の個数: 64

約数和(自身を含む): 34836480

約数和(自身を除く): 15581937

約数列:

[1, 3, 7, 11, 19, 21, 33, 41, 57, 77, 107, 123, 133, 209, 231, 287, 321, 399, 451, 627, 749, 779, 861, 1177, 1353, 1463, 2033, 2247, 2337, 3157, 3531, 4387, 4389, 5453, 6099, 8239, 8569, 9471, 13161, 14231, 16359, 22363, 24717, 25707, 30709, 42693, 48257, 59983, 67089, 83353, 92127, 144771, 156541, 179949, 250059, 337799, 469623, 583471, 916883, 1013397, 1750413, 2750649, 6418181, 19254543]

約数ペア:

[(1, 19254543), (3, 6418181), (7, 2750649), (11, 1750413), (19, 1013397), (21, 916883), (33, 583471), (41, 469623), (57, 337799), (77, 250059), (107, 179949), (123, 156541), (133, 144771), (209, 92127), (231, 83353), (287, 67089), (321, 59983), (399, 48257), (451, 42693), (627, 30709), (749, 25707), (779, 24717), (861, 22363), (1177, 16359), (1353, 14231), (1463, 13161), (2033, 9471), (2247, 8569), (2337, 8239), (3157, 6099), (3531, 5453), (4387, 4389)]