17955728

素因数分解:

$2^4\times 7^1\times {\mathrm{160319}}^1$

素因数の和:160334

約数の個数: 20

約数和(自身を含む): 39759360

約数和(自身を除く): 21803632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 160319, 320638, 641276, 1122233, 1282552, 2244466, 2565104, 4488932, 8977864, 17955728]

約数ペア:

[(1, 17955728), (2, 8977864), (4, 4488932), (7, 2565104), (8, 2244466), (14, 1282552), (16, 1122233), (28, 641276), (56, 320638), (112, 160319)]