19774390

素因数分解:

$2^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{4327}}^1$

素因数の和:4791

約数の個数: 16

約数和(自身を含む): 35680032

約数和(自身を除く): 15905642

約数列:

[1, 2, 5, 10, 457, 914, 2285, 4327, 4570, 8654, 21635, 43270, 1977439, 3954878, 9887195, 19774390]

約数ペア:

[(1, 19774390), (2, 9887195), (5, 3954878), (10, 1977439), (457, 43270), (914, 21635), (2285, 8654), (4327, 4570)]