19390786

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{2657}}^1$

素因数の和:2789

約数の個数: 16

約数和(自身を含む): 30141720

約数和(自身を除く): 10750934

約数列:

[1, 2, 41, 82, 89, 178, 2657, 3649, 5314, 7298, 108937, 217874, 236473, 472946, 9695393, 19390786]

約数ペア:

[(1, 19390786), (2, 9695393), (41, 472946), (82, 236473), (89, 217874), (178, 108937), (2657, 7298), (3649, 5314)]