18643041

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{10007}}^1$

素因数の和:10042

約数の個数: 20

約数和(自身を含む): 29063232

約数和(自身を除く): 10420191

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 10007, 30021, 90063, 230161, 270189, 690483, 810567, 2071449, 6214347, 18643041]

約数ペア:

[(1, 18643041), (3, 6214347), (9, 2071449), (23, 810567), (27, 690483), (69, 270189), (81, 230161), (207, 90063), (621, 30021), (1863, 10007)]