19884656

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{10271}}^1$

素因数の和:10301

約数の個数: 30

約数和(自身を含む): 42351456

約数和(自身を除く): 22466800

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 242, 484, 968, 1936, 10271, 20542, 41084, 82168, 112981, 164336, 225962, 451924, 903848, 1242791, 1807696, 2485582, 4971164, 9942328, 19884656]

約数ペア:

[(1, 19884656), (2, 9942328), (4, 4971164), (8, 2485582), (11, 1807696), (16, 1242791), (22, 903848), (44, 451924), (88, 225962), (121, 164336), (176, 112981), (242, 82168), (484, 41084), (968, 20542), (1936, 10271)]