19471856

素因数分解:

$2^4\times {\mathrm{457}}^1\times {\mathrm{2663}}^1$

素因数の和:3128

約数の個数: 20

約数和(自身を含む): 37823472

約数和(自身を除く): 18351616

約数列:

[1, 2, 4, 8, 16, 457, 914, 1828, 2663, 3656, 5326, 7312, 10652, 21304, 42608, 1216991, 2433982, 4867964, 9735928, 19471856]

約数ペア:

[(1, 19471856), (2, 9735928), (4, 4867964), (8, 2433982), (16, 1216991), (457, 42608), (914, 21304), (1828, 10652), (2663, 7312), (3656, 5326)]