1855984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{8923}}^1$

素因数の和:8944

約数の個数: 20

約数和(自身を含む): 3873016

約数和(自身を除く): 2017032

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 8923, 17846, 35692, 71384, 115999, 142768, 231998, 463996, 927992, 1855984]

約数ペア:

[(1, 1855984), (2, 927992), (4, 463996), (8, 231998), (13, 142768), (16, 115999), (26, 71384), (52, 35692), (104, 17846), (208, 8923)]