18994149

素因数分解:

$3^3\times {\mathrm{197}}^1\times {\mathrm{3571}}^1$

素因数の和:3777

約数の個数: 16

約数和(自身を含む): 28290240

約数和(自身を除く): 9296091

約数列:

[1, 3, 9, 27, 197, 591, 1773, 3571, 5319, 10713, 32139, 96417, 703487, 2110461, 6331383, 18994149]

約数ペア:

[(1, 18994149), (3, 6331383), (9, 2110461), (27, 703487), (197, 96417), (591, 32139), (1773, 10713), (3571, 5319)]