18196989

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{337}}^1\times {\mathrm{439}}^1$

素因数の和:820

約数の個数: 16

約数和(自身を含む): 24984960

約数和(自身を除く): 6787971

約数列:

[1, 3, 41, 123, 337, 439, 1011, 1317, 13817, 17999, 41451, 53997, 147943, 443829, 6065663, 18196989]

約数ペア:

[(1, 18196989), (3, 6065663), (41, 443829), (123, 147943), (337, 53997), (439, 41451), (1011, 17999), (1317, 13817)]