19245866

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{2161}}^1$

素因数の和:2297

約数の個数: 16

約数和(自身を含む): 29757768

約数和(自身を除く): 10511902

約数列:

[1, 2, 61, 73, 122, 146, 2161, 4322, 4453, 8906, 131821, 157753, 263642, 315506, 9622933, 19245866]

約数ペア:

[(1, 19245866), (2, 9622933), (61, 315506), (73, 263642), (122, 157753), (146, 131821), (2161, 8906), (4322, 4453)]