18540104

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{179}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 38782800

約数和(自身を除く): 20242696

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 107, 121, 179, 214, 242, 358, 428, 484, 716, 856, 968, 1177, 1432, 1969, 2354, 3938, 4708, 7876, 9416, 12947, 15752, 19153, 21659, 25894, 38306, 43318, 51788, 76612, 86636, 103576, 153224, 173272, 210683, 421366, 842732, 1685464, 2317513, 4635026, 9270052, 18540104]

約数ペア:

[(1, 18540104), (2, 9270052), (4, 4635026), (8, 2317513), (11, 1685464), (22, 842732), (44, 421366), (88, 210683), (107, 173272), (121, 153224), (179, 103576), (214, 86636), (242, 76612), (358, 51788), (428, 43318), (484, 38306), (716, 25894), (856, 21659), (968, 19153), (1177, 15752), (1432, 12947), (1969, 9416), (2354, 7876), (3938, 4708)]