19387137

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:174

約数の個数: 64

約数和(自身を含む): 34836480

約数和(自身を除く): 15449343

約数列:

[1, 3, 7, 11, 21, 23, 33, 41, 69, 77, 89, 123, 161, 231, 253, 267, 287, 451, 483, 623, 759, 861, 943, 979, 1353, 1771, 1869, 2047, 2829, 2937, 3157, 3649, 5313, 6141, 6601, 6853, 9471, 10373, 10947, 14329, 19803, 20559, 22517, 25543, 31119, 40139, 42987, 67551, 72611, 76629, 83927, 120417, 157619, 217833, 251781, 280973, 472857, 587489, 842919, 923197, 1762467, 2769591, 6462379, 19387137]

約数ペア:

[(1, 19387137), (3, 6462379), (7, 2769591), (11, 1762467), (21, 923197), (23, 842919), (33, 587489), (41, 472857), (69, 280973), (77, 251781), (89, 217833), (123, 157619), (161, 120417), (231, 83927), (253, 76629), (267, 72611), (287, 67551), (451, 42987), (483, 40139), (623, 31119), (759, 25543), (861, 22517), (943, 20559), (979, 19803), (1353, 14329), (1771, 10947), (1869, 10373), (2047, 9471), (2829, 6853), (2937, 6601), (3157, 6141), (3649, 5313)]