18987742

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{24281}}^1$

素因数の和:24323

約数の個数: 16

約数和(自身を含む): 31469472

約数和(自身を除く): 12481730

約数列:

[1, 2, 17, 23, 34, 46, 391, 782, 24281, 48562, 412777, 558463, 825554, 1116926, 9493871, 18987742]

約数ペア:

[(1, 18987742), (2, 9493871), (17, 1116926), (23, 825554), (34, 558463), (46, 412777), (391, 48562), (782, 24281)]