18692721

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{971}}^1$

素因数の和:1034

約数の個数: 32

約数和(自身を含む): 29859840

約数和(自身を除く): 11167119

約数列:

[1, 3, 9, 23, 27, 31, 69, 93, 207, 279, 621, 713, 837, 971, 2139, 2913, 6417, 8739, 19251, 22333, 26217, 30101, 66999, 90303, 200997, 270909, 602991, 692323, 812727, 2076969, 6230907, 18692721]

約数ペア:

[(1, 18692721), (3, 6230907), (9, 2076969), (23, 812727), (27, 692323), (31, 602991), (69, 270909), (93, 200997), (207, 90303), (279, 66999), (621, 30101), (713, 26217), (837, 22333), (971, 19251), (2139, 8739), (2913, 6417)]