19504144

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{110819}}^1$

素因数の和:110838

約数の個数: 20

約数和(自身を含む): 41225040

約数和(自身を除く): 21720896

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 110819, 221638, 443276, 886552, 1219009, 1773104, 2438018, 4876036, 9752072, 19504144]

約数ペア:

[(1, 19504144), (2, 9752072), (4, 4876036), (8, 2438018), (11, 1773104), (16, 1219009), (22, 886552), (44, 443276), (88, 221638), (176, 110819)]