18179721

素因数分解:

$3^4\times 7^1\times {\mathrm{32063}}^1$

素因数の和:32082

約数の個数: 20

約数和(自身を含む): 31037952

約数和(自身を除く): 12858231

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 32063, 96189, 224441, 288567, 673323, 865701, 2019969, 2597103, 6059907, 18179721]

約数ペア:

[(1, 18179721), (3, 6059907), (7, 2597103), (9, 2019969), (21, 865701), (27, 673323), (63, 288567), (81, 224441), (189, 96189), (567, 32063)]