19388012

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{16103}}^1$

素因数の和:16157

約数の個数: 24

約数和(自身を含む): 39680256

約数和(自身を除く): 20292244

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 16103, 32206, 64412, 112721, 225442, 450884, 692429, 1384858, 2769716, 4847003, 9694006, 19388012]

約数ペア:

[(1, 19388012), (2, 9694006), (4, 4847003), (7, 2769716), (14, 1384858), (28, 692429), (43, 450884), (86, 225442), (172, 112721), (301, 64412), (602, 32206), (1204, 16103)]