19966317

素因数分解:

$3^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{2549}}^1$

素因数の和:2932

約数の個数: 16

約数和(自身を含む): 30518400

約数和(自身を除く): 10552083

約数列:

[1, 3, 7, 21, 373, 1119, 2549, 2611, 7647, 7833, 17843, 53529, 950777, 2852331, 6655439, 19966317]

約数ペア:

[(1, 19966317), (3, 6655439), (7, 2852331), (21, 950777), (373, 53529), (1119, 17843), (2549, 7833), (2611, 7647)]