16640618

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{2939}}^1$

素因数の和:3109

約数の個数: 16

約数和(自身を含む): 26460000

約数和(自身を除く): 9819382

約数列:

[1, 2, 19, 38, 149, 298, 2831, 2939, 5662, 5878, 55841, 111682, 437911, 875822, 8320309, 16640618]

約数ペア:

[(1, 16640618), (2, 8320309), (19, 875822), (38, 437911), (149, 111682), (298, 55841), (2831, 5878), (2939, 5662)]