18124623

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 30326400

約数和(自身を除く): 12201777

約数列:

[1, 3, 9, 11, 29, 33, 59, 87, 99, 107, 177, 261, 319, 321, 531, 649, 957, 963, 1177, 1711, 1947, 2871, 3103, 3531, 5133, 5841, 6313, 9309, 10593, 15399, 18821, 18939, 27927, 34133, 56463, 56817, 69443, 102399, 169389, 183077, 208329, 307197, 549231, 624987, 1647693, 2013847, 6041541, 18124623]

約数ペア:

[(1, 18124623), (3, 6041541), (9, 2013847), (11, 1647693), (29, 624987), (33, 549231), (59, 307197), (87, 208329), (99, 183077), (107, 169389), (177, 102399), (261, 69443), (319, 56817), (321, 56463), (531, 34133), (649, 27927), (957, 18939), (963, 18821), (1177, 15399), (1711, 10593), (1947, 9309), (2871, 6313), (3103, 5841), (3531, 5133)]