19185741

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{13933}}^1$

素因数の和:13962

約数の個数: 20

約数和(自身を含む): 30348252

約数和(自身を除く): 11162511

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 13933, 41799, 125397, 236861, 376191, 710583, 1128573, 2131749, 6395247, 19185741]

約数ペア:

[(1, 19185741), (3, 6395247), (9, 2131749), (17, 1128573), (27, 710583), (51, 376191), (81, 236861), (153, 125397), (459, 41799), (1377, 13933)]