17790740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{419}}^1$

素因数の和:632

約数の個数: 48

約数和(自身を含む): 41065920

約数和(自身を除く): 23275180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 193, 220, 386, 419, 772, 838, 965, 1676, 1930, 2095, 2123, 3860, 4190, 4246, 4609, 8380, 8492, 9218, 10615, 18436, 21230, 23045, 42460, 46090, 80867, 92180, 161734, 323468, 404335, 808670, 889537, 1617340, 1779074, 3558148, 4447685, 8895370, 17790740]

約数ペア:

[(1, 17790740), (2, 8895370), (4, 4447685), (5, 3558148), (10, 1779074), (11, 1617340), (20, 889537), (22, 808670), (44, 404335), (55, 323468), (110, 161734), (193, 92180), (220, 80867), (386, 46090), (419, 42460), (772, 23045), (838, 21230), (965, 18436), (1676, 10615), (1930, 9218), (2095, 8492), (2123, 8380), (3860, 4609), (4190, 4246)]