19478376

素因数分解:

$2^3\times 3^2\times {\mathrm{97}}^1\times {\mathrm{2789}}^1$

素因数の和:2898

約数の個数: 48

約数和(自身を含む): 53316900

約数和(自身を除く): 33838524

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 97, 194, 291, 388, 582, 776, 873, 1164, 1746, 2328, 2789, 3492, 5578, 6984, 8367, 11156, 16734, 22312, 25101, 33468, 50202, 66936, 100404, 200808, 270533, 541066, 811599, 1082132, 1623198, 2164264, 2434797, 3246396, 4869594, 6492792, 9739188, 19478376]

約数ペア:

[(1, 19478376), (2, 9739188), (3, 6492792), (4, 4869594), (6, 3246396), (8, 2434797), (9, 2164264), (12, 1623198), (18, 1082132), (24, 811599), (36, 541066), (72, 270533), (97, 200808), (194, 100404), (291, 66936), (388, 50202), (582, 33468), (776, 25101), (873, 22312), (1164, 16734), (1746, 11156), (2328, 8367), (2789, 6984), (3492, 5578)]