19802856

素因数分解:

$2^3\times 3^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 51148800

約数和(自身を除く): 31345944

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 73, 89, 127, 146, 178, 219, 254, 267, 292, 356, 381, 438, 508, 534, 584, 712, 762, 876, 1016, 1068, 1524, 1752, 2136, 3048, 6497, 9271, 11303, 12994, 18542, 19491, 22606, 25988, 27813, 33909, 37084, 38982, 45212, 51976, 55626, 67818, 74168, 77964, 90424, 111252, 135636, 155928, 222504, 271272, 825119, 1650238, 2475357, 3300476, 4950714, 6600952, 9901428, 19802856]

約数ペア:

[(1, 19802856), (2, 9901428), (3, 6600952), (4, 4950714), (6, 3300476), (8, 2475357), (12, 1650238), (24, 825119), (73, 271272), (89, 222504), (127, 155928), (146, 135636), (178, 111252), (219, 90424), (254, 77964), (267, 74168), (292, 67818), (356, 55626), (381, 51976), (438, 45212), (508, 38982), (534, 37084), (584, 33909), (712, 27813), (762, 25988), (876, 22606), (1016, 19491), (1068, 18542), (1524, 12994), (1752, 11303), (2136, 9271), (3048, 6497)]