19903534

素因数分解:

$2^1\times 7^1\times {\mathrm{1009}}^1\times {\mathrm{1409}}^1$

素因数の和:2427

約数の個数: 16

約数和(自身を含む): 34178400

約数和(自身を除く): 14274866

約数列:

[1, 2, 7, 14, 1009, 1409, 2018, 2818, 7063, 9863, 14126, 19726, 1421681, 2843362, 9951767, 19903534]

約数ペア:

[(1, 19903534), (2, 9951767), (7, 2843362), (14, 1421681), (1009, 19726), (1409, 14126), (2018, 9863), (2818, 7063)]