18389049

素因数分解:

$3^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{2141}}^1$

素因数の和:2560

約数の個数: 16

約数和(自身を含む): 28103040

約数和(自身を除く): 9713991

約数列:

[1, 3, 7, 21, 409, 1227, 2141, 2863, 6423, 8589, 14987, 44961, 875669, 2627007, 6129683, 18389049]

約数ペア:

[(1, 18389049), (3, 6129683), (7, 2627007), (21, 875669), (409, 44961), (1227, 14987), (2141, 8589), (2863, 6423)]