18679923

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{40697}}^1$

素因数の和:40723

約数の個数: 16

約数和(自身を含む): 29302560

約数和(自身を除く): 10622637

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 40697, 122091, 366273, 691849, 1098819, 2075547, 6226641, 18679923]

約数ペア:

[(1, 18679923), (3, 6226641), (9, 2075547), (17, 1098819), (27, 691849), (51, 366273), (153, 122091), (459, 40697)]