18499690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{15289}}^1$

素因数の和:15318

約数の個数: 24

約数和(自身を含む): 36604260

約数和(自身を除く): 18104570

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 15289, 30578, 76445, 152890, 168179, 336358, 840895, 1681790, 1849969, 3699938, 9249845, 18499690]

約数ペア:

[(1, 18499690), (2, 9249845), (5, 3699938), (10, 1849969), (11, 1681790), (22, 840895), (55, 336358), (110, 168179), (121, 152890), (242, 76445), (605, 30578), (1210, 15289)]