19328144

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{109819}}^1$

素因数の和:109838

約数の個数: 20

約数和(自身を含む): 40853040

約数和(自身を除く): 21524896

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 109819, 219638, 439276, 878552, 1208009, 1757104, 2416018, 4832036, 9664072, 19328144]

約数ペア:

[(1, 19328144), (2, 9664072), (4, 4832036), (8, 2416018), (11, 1757104), (16, 1208009), (22, 878552), (44, 439276), (88, 219638), (176, 109819)]