18982145

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41719}}^1$

素因数の和:41744

約数の個数: 16

約数和(自身を含む): 28035840

約数和(自身を除く): 9053695

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 41719, 208595, 292033, 542347, 1460165, 2711735, 3796429, 18982145]

約数ペア:

[(1, 18982145), (5, 3796429), (7, 2711735), (13, 1460165), (35, 542347), (65, 292033), (91, 208595), (455, 41719)]