18893223

素因数分解:

$3^3\times {\mathrm{157}}^1\times {\mathrm{4457}}^1$

素因数の和:4623

約数の個数: 16

約数和(自身を含む): 28174560

約数和(自身を除く): 9281337

約数列:

[1, 3, 9, 27, 157, 471, 1413, 4239, 4457, 13371, 40113, 120339, 699749, 2099247, 6297741, 18893223]

約数ペア:

[(1, 18893223), (3, 6297741), (9, 2099247), (27, 699749), (157, 120339), (471, 40113), (1413, 13371), (4239, 4457)]