19228528

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{109253}}^1$

素因数の和:109272

約数の個数: 20

約数和(自身を含む): 40642488

約数和(自身を除く): 21413960

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 109253, 218506, 437012, 874024, 1201783, 1748048, 2403566, 4807132, 9614264, 19228528]

約数ペア:

[(1, 19228528), (2, 9614264), (4, 4807132), (8, 2403566), (11, 1748048), (16, 1201783), (22, 874024), (44, 437012), (88, 218506), (176, 109253)]