18479169

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{263}}^1$

素因数の和:517

約数の個数: 24

約数和(自身を含む): 27648192

約数和(自身を除く): 9169023

約数列:

[1, 3, 9, 37, 111, 211, 263, 333, 633, 789, 1899, 2367, 7807, 9731, 23421, 29193, 55493, 70263, 87579, 166479, 499437, 2053241, 6159723, 18479169]

約数ペア:

[(1, 18479169), (3, 6159723), (9, 2053241), (37, 499437), (111, 166479), (211, 87579), (263, 70263), (333, 55493), (633, 29193), (789, 23421), (1899, 9731), (2367, 7807)]