2019915992

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{337}}^1\times {\mathrm{839}}^1$

素因数の和:1248

約数の個数: 64

約数和(自身を含む): 4088448000

約数和(自身を除く): 2068532008

約数列:

[1, 2, 4, 8, 19, 38, 47, 76, 94, 152, 188, 337, 376, 674, 839, 893, 1348, 1678, 1786, 2696, 3356, 3572, 6403, 6712, 7144, 12806, 15839, 15941, 25612, 31678, 31882, 39433, 51224, 63356, 63764, 78866, 126712, 127528, 157732, 282743, 300941, 315464, 565486, 601882, 749227, 1130972, 1203764, 1498454, 2261944, 2407528, 2996908, 5372117, 5993816, 10744234, 13288921, 21488468, 26577842, 42976936, 53155684, 106311368, 252489499, 504978998, 1009957996, 2019915992]

約数ペア:

[(1, 2019915992), (2, 1009957996), (4, 504978998), (8, 252489499), (19, 106311368), (38, 53155684), (47, 42976936), (76, 26577842), (94, 21488468), (152, 13288921), (188, 10744234), (337, 5993816), (376, 5372117), (674, 2996908), (839, 2407528), (893, 2261944), (1348, 1498454), (1678, 1203764), (1786, 1130972), (2696, 749227), (3356, 601882), (3572, 565486), (6403, 315464), (6712, 300941), (7144, 282743), (12806, 157732), (15839, 127528), (15941, 126712), (25612, 78866), (31678, 63764), (31882, 63356), (39433, 51224)]