18857008

素因数分解:

$2^4\times {\mathrm{661}}^1\times {\mathrm{1783}}^1$

素因数の和:2452

約数の個数: 20

約数和(自身を含む): 36611248

約数和(自身を除く): 17754240

約数列:

[1, 2, 4, 8, 16, 661, 1322, 1783, 2644, 3566, 5288, 7132, 10576, 14264, 28528, 1178563, 2357126, 4714252, 9428504, 18857008]

約数ペア:

[(1, 18857008), (2, 9428504), (4, 4714252), (8, 2357126), (16, 1178563), (661, 28528), (1322, 14264), (1783, 10576), (2644, 7132), (3566, 5288)]