18420207

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{3719}}^1$

素因数の和:3862

約数の個数: 16

約数和(自身を含む): 26664960

約数和(自身を除く): 8244753

約数列:

[1, 3, 13, 39, 127, 381, 1651, 3719, 4953, 11157, 48347, 145041, 472313, 1416939, 6140069, 18420207]

約数ペア:

[(1, 18420207), (3, 6140069), (13, 1416939), (39, 472313), (127, 145041), (381, 48347), (1651, 11157), (3719, 4953)]