18769833

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:278

約数の個数: 32

約数和(自身を含む): 28771200

約数和(自身を除く): 10001367

約数列:

[1, 3, 9, 27, 73, 89, 107, 219, 267, 321, 657, 801, 963, 1971, 2403, 2889, 6497, 7811, 9523, 19491, 23433, 28569, 58473, 70299, 85707, 175419, 210897, 257121, 695179, 2085537, 6256611, 18769833]

約数ペア:

[(1, 18769833), (3, 6256611), (9, 2085537), (27, 695179), (73, 257121), (89, 210897), (107, 175419), (219, 85707), (267, 70299), (321, 58473), (657, 28569), (801, 23433), (963, 19491), (1971, 9523), (2403, 7811), (2889, 6497)]