19665664

素因数分解:

$2^8\times {\mathrm{76819}}^1$

素因数の和:76835

約数の個数: 18

約数和(自身を含む): 39255020

約数和(自身を除く): 19589356

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 76819, 153638, 307276, 614552, 1229104, 2458208, 4916416, 9832832, 19665664]

約数ペア:

[(1, 19665664), (2, 9832832), (4, 4916416), (8, 2458208), (16, 1229104), (32, 614552), (64, 307276), (128, 153638), (256, 76819)]