19921856

素因数分解:

$2^6\times {\mathrm{311279}}^1$

素因数の和:311291

約数の個数: 14

約数和(自身を含む): 39532560

約数和(自身を除く): 19610704

約数列:

[1, 2, 4, 8, 16, 32, 64, 311279, 622558, 1245116, 2490232, 4980464, 9960928, 19921856]

約数ペア:

[(1, 19921856), (2, 9960928), (4, 4980464), (8, 2490232), (16, 1245116), (32, 622558), (64, 311279)]