18780081489

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{160513517}}^1$

素因数の和:160513536

約数の個数: 12

約数和(自身を含む): 29213460276

約数和(自身を除く): 10433378787

約数列:

[1, 3, 9, 13, 39, 117, 160513517, 481540551, 1444621653, 2086675721, 6260027163, 18780081489]

約数ペア:

[(1, 18780081489), (3, 6260027163), (9, 2086675721), (13, 1444621653), (39, 481540551), (117, 160513517)]