18243043

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{2203}}^1$

素因数の和:2243

約数の個数: 18

約数和(自身を含む): 22989924

約数和(自身を除く): 4746881

約数列:

[1, 7, 13, 49, 91, 169, 637, 1183, 2203, 8281, 15421, 28639, 107947, 200473, 372307, 1403311, 2606149, 18243043]

約数ペア:

[(1, 18243043), (7, 2606149), (13, 1403311), (49, 372307), (91, 200473), (169, 107947), (637, 28639), (1183, 15421), (2203, 8281)]