18986004

素因数分解:

$2^2\times 3^2\times {\mathrm{97}}^1\times {\mathrm{5437}}^1$

素因数の和:5544

約数の個数: 36

約数和(自身を含む): 48496084

約数和(自身を除く): 29510080

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 97, 194, 291, 388, 582, 873, 1164, 1746, 3492, 5437, 10874, 16311, 21748, 32622, 48933, 65244, 97866, 195732, 527389, 1054778, 1582167, 2109556, 3164334, 4746501, 6328668, 9493002, 18986004]

約数ペア:

[(1, 18986004), (2, 9493002), (3, 6328668), (4, 4746501), (6, 3164334), (9, 2109556), (12, 1582167), (18, 1054778), (36, 527389), (97, 195732), (194, 97866), (291, 65244), (388, 48933), (582, 32622), (873, 21748), (1164, 16311), (1746, 10874), (3492, 5437)]