19720254

素因数分解:

$2^1\times 3^1\times {\mathrm{1237}}^1\times {\mathrm{2657}}^1$

素因数の和:3899

約数の個数: 16

約数和(自身を含む): 39487248

約数和(自身を除く): 19766994

約数列:

[1, 2, 3, 6, 1237, 2474, 2657, 3711, 5314, 7422, 7971, 15942, 3286709, 6573418, 9860127, 19720254]

約数ペア:

[(1, 19720254), (2, 9860127), (3, 6573418), (6, 3286709), (1237, 15942), (2474, 7971), (2657, 7422), (3711, 5314)]