19633985

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{7901}}^1$

素因数の和:7984

約数の個数: 16

約数和(自身を含む): 27309312

約数和(自身を除く): 7675327

約数列:

[1, 5, 7, 35, 71, 355, 497, 2485, 7901, 39505, 55307, 276535, 560971, 2804855, 3926797, 19633985]

約数ペア:

[(1, 19633985), (5, 3926797), (7, 2804855), (35, 560971), (71, 276535), (355, 55307), (497, 39505), (2485, 7901)]