19428670

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47387}}^1$

素因数の和:47435

約数の個数: 16

約数和(自身を含む): 35825328

約数和(自身を除く): 16396658

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 47387, 94774, 236935, 473870, 1942867, 3885734, 9714335, 19428670]

約数ペア:

[(1, 19428670), (2, 9714335), (5, 3885734), (10, 1942867), (41, 473870), (82, 236935), (205, 94774), (410, 47387)]