18039735

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{57269}}^1$

素因数の和:57287

約数の個数: 24

約数和(自身を含む): 35736480

約数和(自身を除く): 17696745

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 57269, 171807, 286345, 400883, 515421, 859035, 1202649, 2004415, 2577105, 3607947, 6013245, 18039735]

約数ペア:

[(1, 18039735), (3, 6013245), (5, 3607947), (7, 2577105), (9, 2004415), (15, 1202649), (21, 859035), (35, 515421), (45, 400883), (63, 286345), (105, 171807), (315, 57269)]