19806402

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{997}}^1$

素因数の和:1063

約数の個数: 64

約数和(自身を含む): 50586624

約数和(自身を除く): 30780222

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 43, 66, 77, 86, 129, 154, 231, 258, 301, 462, 473, 602, 903, 946, 997, 1419, 1806, 1994, 2838, 2991, 3311, 5982, 6622, 6979, 9933, 10967, 13958, 19866, 20937, 21934, 32901, 41874, 42871, 65802, 76769, 85742, 128613, 153538, 230307, 257226, 300097, 460614, 471581, 600194, 900291, 943162, 1414743, 1800582, 2829486, 3301067, 6602134, 9903201, 19806402]

約数ペア:

[(1, 19806402), (2, 9903201), (3, 6602134), (6, 3301067), (7, 2829486), (11, 1800582), (14, 1414743), (21, 943162), (22, 900291), (33, 600194), (42, 471581), (43, 460614), (66, 300097), (77, 257226), (86, 230307), (129, 153538), (154, 128613), (231, 85742), (258, 76769), (301, 65802), (462, 42871), (473, 41874), (602, 32901), (903, 21934), (946, 20937), (997, 19866), (1419, 13958), (1806, 10967), (1994, 9933), (2838, 6979), (2991, 6622), (3311, 5982)]