18226509

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{21169}}^1$

素因数の和:21220

約数の個数: 16

約数和(自身を含む): 28452480

約数和(自身を除く): 10225971

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 21169, 63507, 148183, 444549, 867929, 2603787, 6075503, 18226509]

約数ペア:

[(1, 18226509), (3, 6075503), (7, 2603787), (21, 867929), (41, 444549), (123, 148183), (287, 63507), (861, 21169)]