19831888

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{53891}}^1$

素因数の和:53922

約数の個数: 20

約数和(自身を含む): 40095648

約数和(自身を除く): 20263760

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 53891, 107782, 215564, 431128, 862256, 1239493, 2478986, 4957972, 9915944, 19831888]

約数ペア:

[(1, 19831888), (2, 9915944), (4, 4957972), (8, 2478986), (16, 1239493), (23, 862256), (46, 431128), (92, 215564), (184, 107782), (368, 53891)]