18869695

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:331

約数の個数: 24

約数和(自身を含む): 24849936

約数和(自身を除く): 5980241

約数列:

[1, 5, 13, 65, 137, 163, 169, 685, 815, 845, 1781, 2119, 8905, 10595, 22331, 23153, 27547, 111655, 115765, 137735, 290303, 1451515, 3773939, 18869695]

約数ペア:

[(1, 18869695), (5, 3773939), (13, 1451515), (65, 290303), (137, 137735), (163, 115765), (169, 111655), (685, 27547), (815, 23153), (845, 22331), (1781, 10595), (2119, 8905)]