18907143

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{1511}}^1$

素因数の和:1654

約数の個数: 16

約数和(自身を含む): 26078976

約数和(自身を除く): 7171833

約数列:

[1, 3, 43, 97, 129, 291, 1511, 4171, 4533, 12513, 64973, 146567, 194919, 439701, 6302381, 18907143]

約数ペア:

[(1, 18907143), (3, 6302381), (43, 439701), (97, 194919), (129, 146567), (291, 64973), (1511, 12513), (4171, 4533)]