19740039

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{20627}}^1$

素因数の和:20670

約数の個数: 16

約数和(自身を含む): 29704320

約数和(自身を除く): 9964281

約数列:

[1, 3, 11, 29, 33, 87, 319, 957, 20627, 61881, 226897, 598183, 680691, 1794549, 6580013, 19740039]

約数ペア:

[(1, 19740039), (3, 6580013), (11, 1794549), (29, 680691), (33, 598183), (87, 226897), (319, 61881), (957, 20627)]