18681309

素因数分解:

$3^2\times {\mathrm{331}}^1\times {\mathrm{6271}}^1$

素因数の和:6608

約数の個数: 12

約数和(自身を含む): 27069952

約数和(自身を除く): 8388643

約数列:

[1, 3, 9, 331, 993, 2979, 6271, 18813, 56439, 2075701, 6227103, 18681309]

約数ペア:

[(1, 18681309), (3, 6227103), (9, 2075701), (331, 56439), (993, 18813), (2979, 6271)]