19836717

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{367}}^1\times {\mathrm{419}}^1$

素因数の和:832

約数の個数: 16

約数和(自身を含む): 27202560

約数和(自身を除く): 7365843

約数列:

[1, 3, 43, 129, 367, 419, 1101, 1257, 15781, 18017, 47343, 54051, 153773, 461319, 6612239, 19836717]

約数ペア:

[(1, 19836717), (3, 6612239), (43, 461319), (129, 153773), (367, 54051), (419, 47343), (1101, 18017), (1257, 15781)]