19510722

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2011}}^1$

素因数の和:2044

約数の個数: 72

約数和(自身を含む): 53672112

約数和(自身を除く): 34161390

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 49, 63, 66, 77, 98, 99, 126, 147, 154, 198, 231, 294, 441, 462, 539, 693, 882, 1078, 1386, 1617, 2011, 3234, 4022, 4851, 6033, 9702, 12066, 14077, 18099, 22121, 28154, 36198, 42231, 44242, 66363, 84462, 98539, 126693, 132726, 154847, 197078, 199089, 253386, 295617, 309694, 398178, 464541, 591234, 886851, 929082, 1083929, 1393623, 1773702, 2167858, 2787246, 3251787, 6503574, 9755361, 19510722]

約数ペア:

[(1, 19510722), (2, 9755361), (3, 6503574), (6, 3251787), (7, 2787246), (9, 2167858), (11, 1773702), (14, 1393623), (18, 1083929), (21, 929082), (22, 886851), (33, 591234), (42, 464541), (49, 398178), (63, 309694), (66, 295617), (77, 253386), (98, 199089), (99, 197078), (126, 154847), (147, 132726), (154, 126693), (198, 98539), (231, 84462), (294, 66363), (441, 44242), (462, 42231), (539, 36198), (693, 28154), (882, 22121), (1078, 18099), (1386, 14077), (1617, 12066), (2011, 9702), (3234, 6033), (4022, 4851)]