19503874

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{7283}}^1$

素因数の和:7401

約数の個数: 16

約数和(自身を含む): 31816512

約数和(自身を除く): 12312638

約数列:

[1, 2, 13, 26, 103, 206, 1339, 2678, 7283, 14566, 94679, 189358, 750149, 1500298, 9751937, 19503874]

約数ペア:

[(1, 19503874), (2, 9751937), (13, 1500298), (26, 750149), (103, 189358), (206, 94679), (1339, 14566), (2678, 7283)]