19705048

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{223921}}^1$

素因数の和:223938

約数の個数: 16

約数和(自身を含む): 40305960

約数和(自身を除く): 20600912

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 223921, 447842, 895684, 1791368, 2463131, 4926262, 9852524, 19705048]

約数ペア:

[(1, 19705048), (2, 9852524), (4, 4926262), (8, 2463131), (11, 1791368), (22, 895684), (44, 447842), (88, 223921)]