18638022

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{238949}}^1$

素因数の和:238967

約数の個数: 16

約数和(自身を含む): 40143600

約数和(自身を除く): 21505578

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 238949, 477898, 716847, 1433694, 3106337, 6212674, 9319011, 18638022]

約数ペア:

[(1, 18638022), (2, 9319011), (3, 6212674), (6, 3106337), (13, 1433694), (26, 716847), (39, 477898), (78, 238949)]