18078588

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{643}}^1$

素因数の和:735

約数の個数: 72

約数和(自身を含む): 50633856

約数和(自身を除く): 32555268

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 71, 99, 132, 142, 198, 213, 284, 396, 426, 639, 643, 781, 852, 1278, 1286, 1562, 1929, 2343, 2556, 2572, 3124, 3858, 4686, 5787, 7029, 7073, 7716, 9372, 11574, 14058, 14146, 21219, 23148, 28116, 28292, 42438, 45653, 63657, 84876, 91306, 127314, 136959, 182612, 254628, 273918, 410877, 502183, 547836, 821754, 1004366, 1506549, 1643508, 2008732, 3013098, 4519647, 6026196, 9039294, 18078588]

約数ペア:

[(1, 18078588), (2, 9039294), (3, 6026196), (4, 4519647), (6, 3013098), (9, 2008732), (11, 1643508), (12, 1506549), (18, 1004366), (22, 821754), (33, 547836), (36, 502183), (44, 410877), (66, 273918), (71, 254628), (99, 182612), (132, 136959), (142, 127314), (198, 91306), (213, 84876), (284, 63657), (396, 45653), (426, 42438), (639, 28292), (643, 28116), (781, 23148), (852, 21219), (1278, 14146), (1286, 14058), (1562, 11574), (1929, 9372), (2343, 7716), (2556, 7073), (2572, 7029), (3124, 5787), (3858, 4686)]