18966655

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{4643}}^1$

素因数の和:4710

約数の個数: 16

約数和(自身を含む): 24520320

約数和(自身を除く): 5553665

約数列:

[1, 5, 19, 43, 95, 215, 817, 4085, 4643, 23215, 88217, 199649, 441085, 998245, 3793331, 18966655]

約数ペア:

[(1, 18966655), (5, 3793331), (19, 998245), (43, 441085), (95, 199649), (215, 88217), (817, 23215), (4085, 4643)]