18718293

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{5507}}^1$

素因数の和:5624

約数の個数: 16

約数和(自身を含む): 27495936

約数和(自身を除く): 8777643

約数列:

[1, 3, 11, 33, 103, 309, 1133, 3399, 5507, 16521, 60577, 181731, 567221, 1701663, 6239431, 18718293]

約数ペア:

[(1, 18718293), (3, 6239431), (11, 1701663), (33, 567221), (103, 181731), (309, 60577), (1133, 16521), (3399, 5507)]