19181666

素因数分解:

$2^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{3121}}^1$

素因数の和:3569

約数の個数: 16

約数和(自身を含む): 32968320

約数和(自身を除く): 13786654

約数列:

[1, 2, 7, 14, 439, 878, 3073, 3121, 6146, 6242, 21847, 43694, 1370119, 2740238, 9590833, 19181666]

約数ペア:

[(1, 19181666), (2, 9590833), (7, 2740238), (14, 1370119), (439, 43694), (878, 21847), (3073, 6242), (3121, 6146)]