18973683

素因数分解:

$3^6\times {\mathrm{17}}^1\times {\mathrm{1531}}^1$

素因数の和:1566

約数の個数: 28

約数和(自身を含む): 30140568

約数和(自身を除く): 11166885

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 729, 1377, 1531, 4131, 4593, 12393, 13779, 26027, 41337, 78081, 124011, 234243, 372033, 702729, 1116099, 2108187, 6324561, 18973683]

約数ペア:

[(1, 18973683), (3, 6324561), (9, 2108187), (17, 1116099), (27, 702729), (51, 372033), (81, 234243), (153, 124011), (243, 78081), (459, 41337), (729, 26027), (1377, 13779), (1531, 12393), (4131, 4593)]