19837891

素因数分解:

${\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1$

素因数の和:366

約数の個数: 16

約数和(自身を含む): 21510720

約数和(自身を除く): 1672829

約数列:

[1, 23, 41, 109, 193, 943, 2507, 4439, 4469, 7913, 21037, 102787, 181999, 483851, 862517, 19837891]

約数ペア:

[(1, 19837891), (23, 862517), (41, 483851), (109, 181999), (193, 102787), (943, 21037), (2507, 7913), (4439, 4469)]