18282047

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{269}}^1$

素因数の和:375

約数の個数: 24

約数和(自身を含む): 22777200

約数和(自身を除く): 4495153

約数列:

[1, 7, 19, 49, 73, 133, 269, 511, 931, 1387, 1883, 3577, 5111, 9709, 13181, 19637, 35777, 67963, 137459, 250439, 373103, 962213, 2611721, 18282047]

約数ペア:

[(1, 18282047), (7, 2611721), (19, 962213), (49, 373103), (73, 250439), (133, 137459), (269, 67963), (511, 35777), (931, 19637), (1387, 13181), (1883, 9709), (3577, 5111)]