18825352

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1361}}^1$

素因数の和:1406

約数の個数: 64

約数和(自身を含む): 45763200

約数和(自身を除く): 26937848

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 52, 56, 76, 91, 104, 133, 152, 182, 247, 266, 364, 494, 532, 728, 988, 1064, 1361, 1729, 1976, 2722, 3458, 5444, 6916, 9527, 10888, 13832, 17693, 19054, 25859, 35386, 38108, 51718, 70772, 76216, 103436, 123851, 141544, 181013, 206872, 247702, 336167, 362026, 495404, 672334, 724052, 990808, 1344668, 1448104, 2353169, 2689336, 4706338, 9412676, 18825352]

約数ペア:

[(1, 18825352), (2, 9412676), (4, 4706338), (7, 2689336), (8, 2353169), (13, 1448104), (14, 1344668), (19, 990808), (26, 724052), (28, 672334), (38, 495404), (52, 362026), (56, 336167), (76, 247702), (91, 206872), (104, 181013), (133, 141544), (152, 123851), (182, 103436), (247, 76216), (266, 70772), (364, 51718), (494, 38108), (532, 35386), (728, 25859), (988, 19054), (1064, 17693), (1361, 13832), (1729, 10888), (1976, 9527), (2722, 6916), (3458, 5444)]