18840986

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1\times {\mathrm{479}}^1$

素因数の和:829

約数の個数: 16

約数和(自身を含む): 28823040

約数和(自身を除く): 9982054

約数列:

[1, 2, 71, 142, 277, 479, 554, 958, 19667, 34009, 39334, 68018, 132683, 265366, 9420493, 18840986]

約数ペア:

[(1, 18840986), (2, 9420493), (71, 265366), (142, 132683), (277, 68018), (479, 39334), (554, 34009), (958, 19667)]