19804792

素因数分解:

$2^3\times 7^1\times {\mathrm{353657}}^1$

素因数の和:353670

約数の個数: 16

約数和(自身を含む): 42438960

約数和(自身を除く): 22634168

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 353657, 707314, 1414628, 2475599, 2829256, 4951198, 9902396, 19804792]

約数ペア:

[(1, 19804792), (2, 9902396), (4, 4951198), (7, 2829256), (8, 2475599), (14, 1414628), (28, 707314), (56, 353657)]