19972712

素因数分解:

$2^3\times {\mathrm{269}}^1\times {\mathrm{9281}}^1$

素因数の和:9556

約数の個数: 16

約数和(自身を含む): 37592100

約数和(自身を除く): 17619388

約数列:

[1, 2, 4, 8, 269, 538, 1076, 2152, 9281, 18562, 37124, 74248, 2496589, 4993178, 9986356, 19972712]

約数ペア:

[(1, 19972712), (2, 9986356), (4, 4993178), (8, 2496589), (269, 74248), (538, 37124), (1076, 18562), (2152, 9281)]