19066220

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{17987}}^1$

素因数の和:18049

約数の個数: 24

約数和(自身を含む): 40796784

約数和(自身を除く): 21730564

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 17987, 35974, 71948, 89935, 179870, 359740, 953311, 1906622, 3813244, 4766555, 9533110, 19066220]

約数ペア:

[(1, 19066220), (2, 9533110), (4, 4766555), (5, 3813244), (10, 1906622), (20, 953311), (53, 359740), (106, 179870), (212, 89935), (265, 71948), (530, 35974), (1060, 17987)]