18289251

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{43237}}^1$

素因数の和:43290

約数の個数: 12

約数和(自身を含む): 26980512

約数和(自身を除く): 8691261

約数列:

[1, 3, 9, 47, 141, 423, 43237, 129711, 389133, 2032139, 6096417, 18289251]

約数ペア:

[(1, 18289251), (3, 6096417), (9, 2032139), (47, 389133), (141, 129711), (423, 43237)]