19439216

素因数分解:

$2^4\times {\mathrm{191}}^1\times {\mathrm{6361}}^1$

素因数の和:6560

約数の個数: 20

約数和(自身を含む): 37866624

約数和(自身を除く): 18427408

約数列:

[1, 2, 4, 8, 16, 191, 382, 764, 1528, 3056, 6361, 12722, 25444, 50888, 101776, 1214951, 2429902, 4859804, 9719608, 19439216]

約数ペア:

[(1, 19439216), (2, 9719608), (4, 4859804), (8, 2429902), (16, 1214951), (191, 101776), (382, 50888), (764, 25444), (1528, 12722), (3056, 6361)]