18849213

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:398

約数の個数: 32

約数和(自身を含む): 29491200

約数和(自身を除く): 10641987

約数列:

[1, 3, 9, 23, 27, 69, 127, 207, 239, 381, 621, 717, 1143, 2151, 2921, 3429, 5497, 6453, 8763, 16491, 26289, 30353, 49473, 78867, 91059, 148419, 273177, 698119, 819531, 2094357, 6283071, 18849213]

約数ペア:

[(1, 18849213), (3, 6283071), (9, 2094357), (23, 819531), (27, 698119), (69, 273177), (127, 148419), (207, 91059), (239, 78867), (381, 49473), (621, 30353), (717, 26289), (1143, 16491), (2151, 8763), (2921, 6453), (3429, 5497)]