18663983

素因数分解:

${\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{277}}^1$

素因数の和:434

約数の個数: 16

約数和(自身を含む): 20736576

約数和(自身を除く): 2072593

約数列:

[1, 13, 71, 73, 277, 923, 949, 3601, 5183, 19667, 20221, 67379, 255671, 262873, 1435691, 18663983]

約数ペア:

[(1, 18663983), (13, 1435691), (71, 262873), (73, 255671), (277, 67379), (923, 20221), (949, 19667), (3601, 5183)]