18994547

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6991}}^1$

素因数の和:7034

約数の個数: 16

約数和(自身を含む): 23493120

約数和(自身を除く): 4498573

約数列:

[1, 11, 13, 19, 143, 209, 247, 2717, 6991, 76901, 90883, 132829, 999713, 1461119, 1726777, 18994547]

約数ペア:

[(1, 18994547), (11, 1726777), (13, 1461119), (19, 999713), (143, 132829), (209, 90883), (247, 76901), (2717, 6991)]