19290177

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{9787}}^1$

素因数の和:9869

約数の個数: 16

約数和(自身を含む): 28972480

約数和(自身を除く): 9682303

約数列:

[1, 3, 9, 27, 73, 219, 657, 1971, 9787, 29361, 88083, 264249, 714451, 2143353, 6430059, 19290177]

約数ペア:

[(1, 19290177), (3, 6430059), (9, 2143353), (27, 714451), (73, 264249), (219, 88083), (657, 29361), (1971, 9787)]