18986926

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79777}}^1$

素因数の和:79803

約数の個数: 16

約数和(自身を含む): 34464096

約数和(自身を除く): 15477170

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 79777, 159554, 558439, 1116878, 1356209, 2712418, 9493463, 18986926]

約数ペア:

[(1, 18986926), (2, 9493463), (7, 2712418), (14, 1356209), (17, 1116878), (34, 558439), (119, 159554), (238, 79777)]