18188487

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2243}}^1$

素因数の和:2319

約数の個数: 24

約数和(自身を含む): 28355184

約数和(自身を除く): 10166697

約数列:

[1, 3, 9, 17, 51, 53, 153, 159, 477, 901, 2243, 2703, 6729, 8109, 20187, 38131, 114393, 118879, 343179, 356637, 1069911, 2020943, 6062829, 18188487]

約数ペア:

[(1, 18188487), (3, 6062829), (9, 2020943), (17, 1069911), (51, 356637), (53, 343179), (153, 118879), (159, 114393), (477, 38131), (901, 20187), (2243, 8109), (2703, 6729)]