19401728

素因数分解:

$2^{10}\times {\mathrm{18947}}^1$

素因数の和:18967

約数の個数: 22

約数和(自身を含む): 38786556

約数和(自身を除く): 19384828

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 18947, 37894, 75788, 151576, 303152, 606304, 1212608, 2425216, 4850432, 9700864, 19401728]

約数ペア:

[(1, 19401728), (2, 9700864), (4, 4850432), (8, 2425216), (16, 1212608), (32, 606304), (64, 303152), (128, 151576), (256, 75788), (512, 37894), (1024, 18947)]