18077949

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1489}}^1$

素因数の和:1585

約数の個数: 24

約数和(自身を含む): 27892800

約数和(自身を除く): 9814851

約数列:

[1, 3, 9, 19, 57, 71, 171, 213, 639, 1349, 1489, 4047, 4467, 12141, 13401, 28291, 84873, 105719, 254619, 317157, 951471, 2008661, 6025983, 18077949]

約数ペア:

[(1, 18077949), (3, 6025983), (9, 2008661), (19, 951471), (57, 317157), (71, 254619), (171, 105719), (213, 84873), (639, 28291), (1349, 13401), (1489, 12141), (4047, 4467)]