19724144

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{112069}}^1$

素因数の和:112088

約数の個数: 20

約数和(自身を含む): 41690040

約数和(自身を除く): 21965896

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 112069, 224138, 448276, 896552, 1232759, 1793104, 2465518, 4931036, 9862072, 19724144]

約数ペア:

[(1, 19724144), (2, 9862072), (4, 4931036), (8, 2465518), (11, 1793104), (16, 1232759), (22, 896552), (44, 448276), (88, 224138), (176, 112069)]