18645104

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{10691}}^1$

素因数の和:10808

約数の個数: 20

約数和(自身を含む): 36459720

約数和(自身を除く): 17814616

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 10691, 21382, 42764, 85528, 171056, 1165319, 2330638, 4661276, 9322552, 18645104]

約数ペア:

[(1, 18645104), (2, 9322552), (4, 4661276), (8, 2330638), (16, 1165319), (109, 171056), (218, 85528), (436, 42764), (872, 21382), (1744, 10691)]