18484263

素因数分解:

$3^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{1621}}^1$

素因数の和:1815

約数の個数: 24

約数和(自身を含む): 30701216

約数和(自身を除く): 12216953

約数列:

[1, 3, 7, 9, 21, 63, 181, 543, 1267, 1621, 1629, 3801, 4863, 11347, 11403, 14589, 34041, 102123, 293401, 880203, 2053807, 2640609, 6161421, 18484263]

約数ペア:

[(1, 18484263), (3, 6161421), (7, 2640609), (9, 2053807), (21, 880203), (63, 293401), (181, 102123), (543, 34041), (1267, 14589), (1621, 11403), (1629, 11347), (3801, 4863)]