18581212

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{27487}}^1$

素因数の和:27517

約数の個数: 18

約数和(自身を含む): 35212128

約数和(自身を除く): 16630916

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 27487, 54974, 109948, 357331, 714662, 1429324, 4645303, 9290606, 18581212]

約数ペア:

[(1, 18581212), (2, 9290606), (4, 4645303), (13, 1429324), (26, 714662), (52, 357331), (169, 109948), (338, 54974), (676, 27487)]