18781268

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{3361}}^1$

素因数の和:3503

約数の個数: 24

約数和(自身を含む): 36148224

約数和(自身を除く): 17366956

約数列:

[1, 2, 4, 11, 22, 44, 127, 254, 508, 1397, 2794, 3361, 5588, 6722, 13444, 36971, 73942, 147884, 426847, 853694, 1707388, 4695317, 9390634, 18781268]

約数ペア:

[(1, 18781268), (2, 9390634), (4, 4695317), (11, 1707388), (22, 853694), (44, 426847), (127, 147884), (254, 73942), (508, 36971), (1397, 13444), (2794, 6722), (3361, 5588)]