19077982

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{67}}^1$

素因数の和:173

約数の個数: 48

約数和(自身を含む): 37072512

約数和(自身を除く): 17994530

約数列:

[1, 2, 7, 11, 14, 22, 43, 67, 77, 86, 134, 154, 301, 469, 473, 602, 737, 938, 946, 1474, 1849, 2881, 3311, 3698, 5159, 5762, 6622, 10318, 12943, 20167, 20339, 25886, 31691, 40334, 40678, 63382, 123883, 142373, 221837, 247766, 284746, 443674, 867181, 1362713, 1734362, 2725426, 9538991, 19077982]

約数ペア:

[(1, 19077982), (2, 9538991), (7, 2725426), (11, 1734362), (14, 1362713), (22, 867181), (43, 443674), (67, 284746), (77, 247766), (86, 221837), (134, 142373), (154, 123883), (301, 63382), (469, 40678), (473, 40334), (602, 31691), (737, 25886), (938, 20339), (946, 20167), (1474, 12943), (1849, 10318), (2881, 6622), (3311, 5762), (3698, 5159)]