18341631

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1$

素因数の和:249

約数の個数: 72

約数和(自身を含む): 35568000

約数和(自身を除く): 17226369

約数列:

[1, 3, 7, 9, 11, 19, 21, 33, 49, 57, 63, 77, 99, 133, 147, 171, 199, 209, 231, 399, 441, 539, 597, 627, 693, 931, 1197, 1393, 1463, 1617, 1791, 1881, 2189, 2793, 3781, 4179, 4389, 4851, 6567, 8379, 9751, 10241, 11343, 12537, 13167, 15323, 19701, 26467, 29253, 30723, 34029, 41591, 45969, 79401, 87759, 92169, 107261, 124773, 137907, 185269, 238203, 291137, 321783, 374319, 555807, 873411, 965349, 1667421, 2037959, 2620233, 6113877, 18341631]

約数ペア:

[(1, 18341631), (3, 6113877), (7, 2620233), (9, 2037959), (11, 1667421), (19, 965349), (21, 873411), (33, 555807), (49, 374319), (57, 321783), (63, 291137), (77, 238203), (99, 185269), (133, 137907), (147, 124773), (171, 107261), (199, 92169), (209, 87759), (231, 79401), (399, 45969), (441, 41591), (539, 34029), (597, 30723), (627, 29253), (693, 26467), (931, 19701), (1197, 15323), (1393, 13167), (1463, 12537), (1617, 11343), (1791, 10241), (1881, 9751), (2189, 8379), (2793, 6567), (3781, 4851), (4179, 4389)]