19691270

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{115831}}^1$

素因数の和:115855

約数の個数: 16

約数和(自身を含む): 37529568

約数和(自身を除く): 17838298

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 115831, 231662, 579155, 1158310, 1969127, 3938254, 9845635, 19691270]

約数ペア:

[(1, 19691270), (2, 9845635), (5, 3938254), (10, 1969127), (17, 1158310), (34, 579155), (85, 231662), (170, 115831)]