18641798

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{691}}^1$

素因数の和:788

約数の個数: 32

約数和(自身を含む): 33481728

約数和(自身を除く): 14839930

約数列:

[1, 2, 7, 14, 41, 47, 82, 94, 287, 329, 574, 658, 691, 1382, 1927, 3854, 4837, 9674, 13489, 26978, 28331, 32477, 56662, 64954, 198317, 227339, 396634, 454678, 1331557, 2663114, 9320899, 18641798]

約数ペア:

[(1, 18641798), (2, 9320899), (7, 2663114), (14, 1331557), (41, 454678), (47, 396634), (82, 227339), (94, 198317), (287, 64954), (329, 56662), (574, 32477), (658, 28331), (691, 26978), (1382, 13489), (1927, 9674), (3854, 4837)]