18678822

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{269}}^1$

素因数の和:508

約数の個数: 32

約数和(自身を含む): 38257920

約数和(自身を除く): 19579098

約数列:

[1, 2, 3, 6, 71, 142, 163, 213, 269, 326, 426, 489, 538, 807, 978, 1614, 11573, 19099, 23146, 34719, 38198, 43847, 57297, 69438, 87694, 114594, 131541, 263082, 3113137, 6226274, 9339411, 18678822]

約数ペア:

[(1, 18678822), (2, 9339411), (3, 6226274), (6, 3113137), (71, 263082), (142, 131541), (163, 114594), (213, 87694), (269, 69438), (326, 57297), (426, 43847), (489, 38198), (538, 34719), (807, 23146), (978, 19099), (1614, 11573)]