19701378

素因数分解:

$2^1\times 3^2\times {\mathrm{83}}^1\times {\mathrm{13187}}^1$

素因数の和:13278

約数の個数: 24

約数和(自身を含む): 43203888

約数和(自身を除く): 23502510

約数列:

[1, 2, 3, 6, 9, 18, 83, 166, 249, 498, 747, 1494, 13187, 26374, 39561, 79122, 118683, 237366, 1094521, 2189042, 3283563, 6567126, 9850689, 19701378]

約数ペア:

[(1, 19701378), (2, 9850689), (3, 6567126), (6, 3283563), (9, 2189042), (18, 1094521), (83, 237366), (166, 118683), (249, 79122), (498, 39561), (747, 26374), (1494, 13187)]