18371405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2593}}^1$

素因数の和:2720

約数の個数: 16

約数和(自身を含む): 23968560

約数和(自身を除く): 5597155

約数列:

[1, 5, 13, 65, 109, 545, 1417, 2593, 7085, 12965, 33709, 168545, 282637, 1413185, 3674281, 18371405]

約数ペア:

[(1, 18371405), (5, 3674281), (13, 1413185), (65, 282637), (109, 168545), (545, 33709), (1417, 12965), (2593, 7085)]