18222919

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{353}}^1$

素因数の和:415

約数の個数: 24

約数和(自身を含む): 22658832

約数和(自身を除く): 4435913

約数列:

[1, 11, 13, 19, 143, 209, 247, 353, 361, 2717, 3883, 3971, 4589, 4693, 6707, 50479, 51623, 73777, 87191, 127433, 959101, 1401763, 1656629, 18222919]

約数ペア:

[(1, 18222919), (11, 1656629), (13, 1401763), (19, 959101), (143, 127433), (209, 87191), (247, 73777), (353, 51623), (361, 50479), (2717, 6707), (3883, 4693), (3971, 4589)]