19802488

素因数分解:

$2^3\times {\mathrm{241}}^1\times {\mathrm{10271}}^1$

素因数の和:10518

約数の個数: 16

約数和(自身を含む): 37287360

約数和(自身を除く): 17484872

約数列:

[1, 2, 4, 8, 241, 482, 964, 1928, 10271, 20542, 41084, 82168, 2475311, 4950622, 9901244, 19802488]

約数ペア:

[(1, 19802488), (2, 9901244), (4, 4950622), (8, 2475311), (241, 82168), (482, 41084), (964, 20542), (1928, 10271)]