2018188419

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{728851}}^1$

素因数の和:728938

約数の個数: 16

約数和(自身を含む): 2938731264

約数和(自身を除く): 920542845

約数列:

[1, 3, 13, 39, 71, 213, 923, 2769, 728851, 2186553, 9475063, 28425189, 51748421, 155245263, 672729473, 2018188419]

約数ペア:

[(1, 2018188419), (3, 672729473), (13, 155245263), (39, 51748421), (71, 28425189), (213, 9475063), (923, 2186553), (2769, 728851)]