18915536

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{16651}}^1$

素因数の和:16730

約数の個数: 20

約数和(自身を含む): 37167264

約数和(自身を除く): 18251728

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 16651, 33302, 66604, 133208, 266416, 1182221, 2364442, 4728884, 9457768, 18915536]

約数ペア:

[(1, 18915536), (2, 9457768), (4, 4728884), (8, 2364442), (16, 1182221), (71, 266416), (142, 133208), (284, 66604), (568, 33302), (1136, 16651)]