19702404

素因数分解:

$2^2\times 3^2\times {\mathrm{109}}^1\times {\mathrm{5021}}^1$

素因数の和:5140

約数の個数: 36

約数和(自身を含む): 50270220

約数和(自身を除く): 30567816

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 109, 218, 327, 436, 654, 981, 1308, 1962, 3924, 5021, 10042, 15063, 20084, 30126, 45189, 60252, 90378, 180756, 547289, 1094578, 1641867, 2189156, 3283734, 4925601, 6567468, 9851202, 19702404]

約数ペア:

[(1, 19702404), (2, 9851202), (3, 6567468), (4, 4925601), (6, 3283734), (9, 2189156), (12, 1641867), (18, 1094578), (36, 547289), (109, 180756), (218, 90378), (327, 60252), (436, 45189), (654, 30126), (981, 20084), (1308, 15063), (1962, 10042), (3924, 5021)]