18509718

素因数分解:

$2^1\times 3^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{491}}^1$

素因数の和:660

約数の個数: 32

約数和(自身を含む): 38068992

約数和(自身を除く): 19559274

約数列:

[1, 2, 3, 6, 61, 103, 122, 183, 206, 309, 366, 491, 618, 982, 1473, 2946, 6283, 12566, 18849, 29951, 37698, 50573, 59902, 89853, 101146, 151719, 179706, 303438, 3084953, 6169906, 9254859, 18509718]

約数ペア:

[(1, 18509718), (2, 9254859), (3, 6169906), (6, 3084953), (61, 303438), (103, 179706), (122, 151719), (183, 101146), (206, 89853), (309, 59902), (366, 50573), (491, 37698), (618, 29951), (982, 18849), (1473, 12566), (2946, 6283)]