19680982

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1\times {\mathrm{761}}^1$

素因数の和:1023

約数の個数: 16

約数和(自身を含む): 30156912

約数和(自身を除く): 10475930

約数列:

[1, 2, 67, 134, 193, 386, 761, 1522, 12931, 25862, 50987, 101974, 146873, 293746, 9840491, 19680982]

約数ペア:

[(1, 19680982), (2, 9840491), (67, 293746), (134, 146873), (193, 101974), (386, 50987), (761, 25862), (1522, 12931)]