19204976

素因数分解:

$2^4\times 7^1\times {\mathrm{171473}}^1$

素因数の和:171488

約数の個数: 20

約数和(自身を含む): 42525552

約数和(自身を除く): 23320576

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 171473, 342946, 685892, 1200311, 1371784, 2400622, 2743568, 4801244, 9602488, 19204976]

約数ペア:

[(1, 19204976), (2, 9602488), (4, 4801244), (7, 2743568), (8, 2400622), (14, 1371784), (16, 1200311), (28, 685892), (56, 342946), (112, 171473)]