18647823

素因数分解:

$3^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1\times {\mathrm{227}}^1$

素因数の和:566

約数の個数: 16

約数和(自身を含む): 25280640

約数和(自身を除く): 6632817

約数列:

[1, 3, 139, 197, 227, 417, 591, 681, 27383, 31553, 44719, 82149, 94659, 134157, 6215941, 18647823]

約数ペア:

[(1, 18647823), (3, 6215941), (139, 134157), (197, 94659), (227, 82149), (417, 44719), (591, 31553), (681, 27383)]