18903682

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{28729}}^1$

素因数の和:28785

約数の個数: 16

約数和(自身を含む): 33096960

約数和(自身を除く): 14193278

約数列:

[1, 2, 7, 14, 47, 94, 329, 658, 28729, 57458, 201103, 402206, 1350263, 2700526, 9451841, 18903682]

約数ペア:

[(1, 18903682), (2, 9451841), (7, 2700526), (14, 1350263), (47, 402206), (94, 201103), (329, 57458), (658, 28729)]