18613863

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{547}}^1$

素因数の和:771

約数の個数: 24

約数和(自身を含む): 28496000

約数和(自身を除く): 9882137

約数列:

[1, 3, 9, 19, 57, 171, 199, 547, 597, 1641, 1791, 3781, 4923, 10393, 11343, 31179, 34029, 93537, 108853, 326559, 979677, 2068207, 6204621, 18613863]

約数ペア:

[(1, 18613863), (3, 6204621), (9, 2068207), (19, 979677), (57, 326559), (171, 108853), (199, 93537), (547, 34029), (597, 31179), (1641, 11343), (1791, 10393), (3781, 4923)]