18669816

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^2\times {\mathrm{2143}}^1$

素因数の和:2177

約数の個数: 72

約数和(自身を含む): 55604640

約数和(自身を除く): 36934824

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 121, 132, 198, 242, 264, 363, 396, 484, 726, 792, 968, 1089, 1452, 2143, 2178, 2904, 4286, 4356, 6429, 8572, 8712, 12858, 17144, 19287, 23573, 25716, 38574, 47146, 51432, 70719, 77148, 94292, 141438, 154296, 188584, 212157, 259303, 282876, 424314, 518606, 565752, 777909, 848628, 1037212, 1555818, 1697256, 2074424, 2333727, 3111636, 4667454, 6223272, 9334908, 18669816]

約数ペア:

[(1, 18669816), (2, 9334908), (3, 6223272), (4, 4667454), (6, 3111636), (8, 2333727), (9, 2074424), (11, 1697256), (12, 1555818), (18, 1037212), (22, 848628), (24, 777909), (33, 565752), (36, 518606), (44, 424314), (66, 282876), (72, 259303), (88, 212157), (99, 188584), (121, 154296), (132, 141438), (198, 94292), (242, 77148), (264, 70719), (363, 51432), (396, 47146), (484, 38574), (726, 25716), (792, 23573), (968, 19287), (1089, 17144), (1452, 12858), (2143, 8712), (2178, 8572), (2904, 6429), (4286, 4356)]