19486216

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{143281}}^1$

素因数の和:143304

約数の個数: 16

約数和(自身を含む): 38686140

約数和(自身を除く): 19199924

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 143281, 286562, 573124, 1146248, 2435777, 4871554, 9743108, 19486216]

約数ペア:

[(1, 19486216), (2, 9743108), (4, 4871554), (8, 2435777), (17, 1146248), (34, 573124), (68, 286562), (136, 143281)]