19965924

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{397}}^1$

素因数の和:545

約数の個数: 72

約数和(自身を含む): 55630848

約数和(自身を除く): 35664924

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 127, 132, 198, 254, 381, 396, 397, 508, 762, 794, 1143, 1191, 1397, 1524, 1588, 2286, 2382, 2794, 3573, 4191, 4367, 4572, 4764, 5588, 7146, 8382, 8734, 12573, 13101, 14292, 16764, 17468, 25146, 26202, 39303, 50292, 50419, 52404, 78606, 100838, 151257, 157212, 201676, 302514, 453771, 554609, 605028, 907542, 1109218, 1663827, 1815084, 2218436, 3327654, 4991481, 6655308, 9982962, 19965924]

約数ペア:

[(1, 19965924), (2, 9982962), (3, 6655308), (4, 4991481), (6, 3327654), (9, 2218436), (11, 1815084), (12, 1663827), (18, 1109218), (22, 907542), (33, 605028), (36, 554609), (44, 453771), (66, 302514), (99, 201676), (127, 157212), (132, 151257), (198, 100838), (254, 78606), (381, 52404), (396, 50419), (397, 50292), (508, 39303), (762, 26202), (794, 25146), (1143, 17468), (1191, 16764), (1397, 14292), (1524, 13101), (1588, 12573), (2286, 8734), (2382, 8382), (2794, 7146), (3573, 5588), (4191, 4764), (4367, 4572)]