18386813

素因数分解:

${\mathrm{19}}^2\times {\mathrm{31}}^2\times {\mathrm{53}}^1$

素因数の和:153

約数の個数: 18

約数和(自身を含む): 20429982

約数和(自身を除く): 2043169

約数列:

[1, 19, 31, 53, 361, 589, 961, 1007, 1643, 11191, 18259, 19133, 31217, 50933, 346921, 593123, 967727, 18386813]

約数ペア:

[(1, 18386813), (19, 967727), (31, 593123), (53, 346921), (361, 50933), (589, 31217), (961, 19133), (1007, 18259), (1643, 11191)]