19874414

素因数分解:

$2^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{2789}}^1$

素因数の和:3307

約数の個数: 16

約数和(自身を含む): 34149600

約数和(自身を除く): 14275186

約数列:

[1, 2, 7, 14, 509, 1018, 2789, 3563, 5578, 7126, 19523, 39046, 1419601, 2839202, 9937207, 19874414]

約数ペア:

[(1, 19874414), (2, 9937207), (7, 2839202), (14, 1419601), (509, 39046), (1018, 19523), (2789, 7126), (3563, 5578)]