18056517

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 26611200

約数和(自身を除く): 8554683

約数列:

[1, 3, 19, 43, 53, 57, 129, 139, 159, 417, 817, 1007, 2279, 2451, 2641, 3021, 5977, 6837, 7367, 7923, 17931, 22101, 43301, 113563, 129903, 139973, 316781, 340689, 419919, 950343, 6018839, 18056517]

約数ペア:

[(1, 18056517), (3, 6018839), (19, 950343), (43, 419919), (53, 340689), (57, 316781), (129, 139973), (139, 129903), (159, 113563), (417, 43301), (817, 22101), (1007, 17931), (2279, 7923), (2451, 7367), (2641, 6837), (3021, 5977)]