18109756

素因数分解:

$2^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{4721}}^1$

素因数の和:4869

約数の個数: 24

約数和(自身を含む): 36491616

約数和(自身を除く): 18381860

約数列:

[1, 2, 4, 7, 14, 28, 137, 274, 548, 959, 1918, 3836, 4721, 9442, 18884, 33047, 66094, 132188, 646777, 1293554, 2587108, 4527439, 9054878, 18109756]

約数ペア:

[(1, 18109756), (2, 9054878), (4, 4527439), (7, 2587108), (14, 1293554), (28, 646777), (137, 132188), (274, 66094), (548, 33047), (959, 18884), (1918, 9442), (3836, 4721)]