18737164

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{2657}}^1$

素因数の和:2745

約数の個数: 24

約数和(自身を含む): 34383888

約数和(自身を除く): 15646724

約数列:

[1, 2, 4, 41, 43, 82, 86, 164, 172, 1763, 2657, 3526, 5314, 7052, 10628, 108937, 114251, 217874, 228502, 435748, 457004, 4684291, 9368582, 18737164]

約数ペア:

[(1, 18737164), (2, 9368582), (4, 4684291), (41, 457004), (43, 435748), (82, 228502), (86, 217874), (164, 114251), (172, 108937), (1763, 10628), (2657, 7052), (3526, 5314)]