18280389

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{6763}}^1$

素因数の和:6836

約数の個数: 16

約数和(自身を含む): 26298432

約数和(自身を除く): 8018043

約数列:

[1, 3, 17, 51, 53, 159, 901, 2703, 6763, 20289, 114971, 344913, 358439, 1075317, 6093463, 18280389]

約数ペア:

[(1, 18280389), (3, 6093463), (17, 1075317), (51, 358439), (53, 344913), (159, 114971), (901, 20289), (2703, 6763)]