17998686

素因数分解:

$2^1\times 3^4\times {\mathrm{111103}}^1$

素因数の和:111117

約数の個数: 20

約数和(自身を含む): 40330752

約数和(自身を除く): 22332066

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 111103, 222206, 333309, 666618, 999927, 1999854, 2999781, 5999562, 8999343, 17998686]

約数ペア:

[(1, 17998686), (2, 8999343), (3, 5999562), (6, 2999781), (9, 1999854), (18, 999927), (27, 666618), (54, 333309), (81, 222206), (162, 111103)]