19816324

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{4643}}^1$

素因数の和:4755

約数の個数: 24

約数和(自身を含む): 38229408

約数和(自身を除く): 18413084

約数列:

[1, 2, 4, 11, 22, 44, 97, 194, 388, 1067, 2134, 4268, 4643, 9286, 18572, 51073, 102146, 204292, 450371, 900742, 1801484, 4954081, 9908162, 19816324]

約数ペア:

[(1, 19816324), (2, 9908162), (4, 4954081), (11, 1801484), (22, 900742), (44, 450371), (97, 204292), (194, 102146), (388, 51073), (1067, 18572), (2134, 9286), (4268, 4643)]