18769347

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{9791}}^1$

素因数の和:9871

約数の個数: 16

約数和(自身を含む): 28200960

約数和(自身を除く): 9431613

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 9791, 29373, 88119, 264357, 695161, 2085483, 6256449, 18769347]

約数ペア:

[(1, 18769347), (3, 6256449), (9, 2085483), (27, 695161), (71, 264357), (213, 88119), (639, 29373), (1917, 9791)]