18885994

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{2113}}^1$

素因数の和:2265

約数の個数: 16

約数和(自身を含む): 29300040

約数和(自身を除く): 10414046

約数列:

[1, 2, 41, 82, 109, 218, 2113, 4226, 4469, 8938, 86633, 173266, 230317, 460634, 9442997, 18885994]

約数ペア:

[(1, 18885994), (2, 9442997), (41, 460634), (82, 230317), (109, 173266), (218, 86633), (2113, 8938), (4226, 4469)]