19639839

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{829}}^1$

素因数の和:1034

約数の個数: 16

約数和(自身を含む): 26892000

約数和(自身を除く): 7252161

約数列:

[1, 3, 53, 149, 159, 447, 829, 2487, 7897, 23691, 43937, 123521, 131811, 370563, 6546613, 19639839]

約数ペア:

[(1, 19639839), (3, 6546613), (53, 370563), (149, 131811), (159, 123521), (447, 43937), (829, 23691), (2487, 7897)]