18939444

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{307}}^1$

素因数の和:464

約数の個数: 48

約数和(自身を含む): 45638208

約数和(自身を除く): 26698764

約数列:

[1, 2, 3, 4, 6, 12, 53, 97, 106, 159, 194, 212, 291, 307, 318, 388, 582, 614, 636, 921, 1164, 1228, 1842, 3684, 5141, 10282, 15423, 16271, 20564, 29779, 30846, 32542, 48813, 59558, 61692, 65084, 89337, 97626, 119116, 178674, 195252, 357348, 1578287, 3156574, 4734861, 6313148, 9469722, 18939444]

約数ペア:

[(1, 18939444), (2, 9469722), (3, 6313148), (4, 4734861), (6, 3156574), (12, 1578287), (53, 357348), (97, 195252), (106, 178674), (159, 119116), (194, 97626), (212, 89337), (291, 65084), (307, 61692), (318, 59558), (388, 48813), (582, 32542), (614, 30846), (636, 29779), (921, 20564), (1164, 16271), (1228, 15423), (1842, 10282), (3684, 5141)]