18538384

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{16319}}^1$

素因数の和:16398

約数の個数: 20

約数和(自身を含む): 36426240

約数和(自身を除く): 17887856

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 16319, 32638, 65276, 130552, 261104, 1158649, 2317298, 4634596, 9269192, 18538384]

約数ペア:

[(1, 18538384), (2, 9269192), (4, 4634596), (8, 2317298), (16, 1158649), (71, 261104), (142, 130552), (284, 65276), (568, 32638), (1136, 16319)]