18196661

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:185

約数の個数: 32

約数和(自身を含む): 23224320

約数和(自身を除く): 5027659

約数列:

[1, 7, 19, 41, 47, 71, 133, 287, 329, 497, 779, 893, 1349, 1927, 2911, 3337, 5453, 6251, 9443, 13489, 20377, 23359, 36613, 55309, 63403, 136817, 256291, 387163, 443821, 957719, 2599523, 18196661]

約数ペア:

[(1, 18196661), (7, 2599523), (19, 957719), (41, 443821), (47, 387163), (71, 256291), (133, 136817), (287, 63403), (329, 55309), (497, 36613), (779, 23359), (893, 20377), (1349, 13489), (1927, 9443), (2911, 6251), (3337, 5453)]