18936141

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47459}}^1$

素因数の和:47488

約数の個数: 16

約数和(自身を含む): 30374400

約数和(自身を除く): 11438259

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 47459, 142377, 332213, 901721, 996639, 2705163, 6312047, 18936141]

約数ペア:

[(1, 18936141), (3, 6312047), (7, 2705163), (19, 996639), (21, 901721), (57, 332213), (133, 142377), (399, 47459)]