18980491788

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{27749257}}^1$

素因数の和:27749286

約数の個数: 36

約数和(自身を含む): 50503649560

約数和(自身を除く): 31523157772

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 27749257, 55498514, 83247771, 110997028, 166495542, 249743313, 332991084, 499486626, 527235883, 998973252, 1054471766, 1581707649, 2108943532, 3163415298, 4745122947, 6326830596, 9490245894, 18980491788]

約数ペア:

[(1, 18980491788), (2, 9490245894), (3, 6326830596), (4, 4745122947), (6, 3163415298), (9, 2108943532), (12, 1581707649), (18, 1054471766), (19, 998973252), (36, 527235883), (38, 499486626), (57, 332991084), (76, 249743313), (114, 166495542), (171, 110997028), (228, 83247771), (342, 55498514), (684, 27749257)]