18929721

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{12799}}^1$

素因数の和:12848

約数の個数: 16

約数和(自身を含む): 27648000

約数和(自身を除く): 8718279

約数列:

[1, 3, 17, 29, 51, 87, 493, 1479, 12799, 38397, 217583, 371171, 652749, 1113513, 6309907, 18929721]

約数ペア:

[(1, 18929721), (3, 6309907), (17, 1113513), (29, 652749), (51, 371171), (87, 217583), (493, 38397), (1479, 12799)]