19485508

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{383}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 41287680

約数和(自身を除く): 21802172

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 79, 92, 158, 161, 316, 322, 383, 553, 644, 766, 1106, 1532, 1817, 2212, 2681, 3634, 5362, 7268, 8809, 10724, 12719, 17618, 25438, 30257, 35236, 50876, 60514, 61663, 121028, 123326, 211799, 246652, 423598, 695911, 847196, 1391822, 2783644, 4871377, 9742754, 19485508]

約数ペア:

[(1, 19485508), (2, 9742754), (4, 4871377), (7, 2783644), (14, 1391822), (23, 847196), (28, 695911), (46, 423598), (79, 246652), (92, 211799), (158, 123326), (161, 121028), (316, 61663), (322, 60514), (383, 50876), (553, 35236), (644, 30257), (766, 25438), (1106, 17618), (1532, 12719), (1817, 10724), (2212, 8809), (2681, 7268), (3634, 5362)]