18812339

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3389}}^1$

素因数の和:3470

約数の個数: 16

約数和(自身を含む): 23540160

約数和(自身を除く): 4727821

約数列:

[1, 7, 13, 61, 91, 427, 793, 3389, 5551, 23723, 44057, 206729, 308399, 1447103, 2687477, 18812339]

約数ペア:

[(1, 18812339), (7, 2687477), (13, 1447103), (61, 308399), (91, 206729), (427, 44057), (793, 23723), (3389, 5551)]