19749258

素因数分解:

$2^1\times 3^4\times {\mathrm{121909}}^1$

素因数の和:121923

約数の個数: 20

約数和(自身を含む): 44253330

約数和(自身を除く): 24504072

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 121909, 243818, 365727, 731454, 1097181, 2194362, 3291543, 6583086, 9874629, 19749258]

約数ペア:

[(1, 19749258), (2, 9874629), (3, 6583086), (6, 3291543), (9, 2194362), (18, 1097181), (27, 731454), (54, 365727), (81, 243818), (162, 121909)]