18639840987

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{347}}^1\times {\mathrm{86501}}^1$

素因数の和:86880

約数の個数: 32

約数和(自身を含む): 28898588160

約数和(自身を除く): 10258747173

約数列:

[1, 3, 9, 23, 27, 69, 207, 347, 621, 1041, 3123, 7981, 9369, 23943, 71829, 86501, 215487, 259503, 778509, 1989523, 2335527, 5968569, 17905707, 30015847, 53717121, 90047541, 270142623, 690364481, 810427869, 2071093443, 6213280329, 18639840987]

約数ペア:

[(1, 18639840987), (3, 6213280329), (9, 2071093443), (23, 810427869), (27, 690364481), (69, 270142623), (207, 90047541), (347, 53717121), (621, 30015847), (1041, 17905707), (3123, 5968569), (7981, 2335527), (9369, 1989523), (23943, 778509), (71829, 259503), (86501, 215487)]