19994337

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2927}}^1$

素因数の和:2970

約数の個数: 32

約数和(自身を含む): 33730560

約数和(自身を除く): 13736223

約数列:

[1, 3, 9, 11, 23, 27, 33, 69, 99, 207, 253, 297, 621, 759, 2277, 2927, 6831, 8781, 26343, 32197, 67321, 79029, 96591, 201963, 289773, 605889, 740531, 869319, 1817667, 2221593, 6664779, 19994337]

約数ペア:

[(1, 19994337), (3, 6664779), (9, 2221593), (11, 1817667), (23, 869319), (27, 740531), (33, 605889), (69, 289773), (99, 201963), (207, 96591), (253, 79029), (297, 67321), (621, 32197), (759, 26343), (2277, 8781), (2927, 6831)]