20181316

素因数分解:

$2^2\times {\mathrm{127}}^1\times {\mathrm{39727}}^1$

素因数の和:39858

約数の個数: 12

約数和(自身を含む): 35596288

約数和(自身を除く): 15414972

約数列:

[1, 2, 4, 127, 254, 508, 39727, 79454, 158908, 5045329, 10090658, 20181316]

約数ペア:

[(1, 20181316), (2, 10090658), (4, 5045329), (127, 158908), (254, 79454), (508, 39727)]