18385299

素因数分解:

$3^4\times {\mathrm{353}}^1\times {\mathrm{643}}^1$

素因数の和:1008

約数の個数: 20

約数和(自身を含む): 27585096

約数和(自身を除く): 9199797

約数列:

[1, 3, 9, 27, 81, 353, 643, 1059, 1929, 3177, 5787, 9531, 17361, 28593, 52083, 226979, 680937, 2042811, 6128433, 18385299]

約数ペア:

[(1, 18385299), (3, 6128433), (9, 2042811), (27, 680937), (81, 226979), (353, 52083), (643, 28593), (1059, 17361), (1929, 9531), (3177, 5787)]