19541994

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:215

約数の個数: 64

約数和(自身を含む): 43666560

約数和(自身を除く): 24124566

約数列:

[1, 2, 3, 6, 19, 37, 38, 41, 57, 74, 82, 111, 113, 114, 123, 222, 226, 246, 339, 678, 703, 779, 1406, 1517, 1558, 2109, 2147, 2337, 3034, 4181, 4218, 4294, 4551, 4633, 4674, 6441, 8362, 9102, 9266, 12543, 12882, 13899, 25086, 27798, 28823, 57646, 79439, 86469, 88027, 158878, 171421, 172938, 176054, 238317, 264081, 342842, 476634, 514263, 528162, 1028526, 3256999, 6513998, 9770997, 19541994]

約数ペア:

[(1, 19541994), (2, 9770997), (3, 6513998), (6, 3256999), (19, 1028526), (37, 528162), (38, 514263), (41, 476634), (57, 342842), (74, 264081), (82, 238317), (111, 176054), (113, 172938), (114, 171421), (123, 158878), (222, 88027), (226, 86469), (246, 79439), (339, 57646), (678, 28823), (703, 27798), (779, 25086), (1406, 13899), (1517, 12882), (1558, 12543), (2109, 9266), (2147, 9102), (2337, 8362), (3034, 6441), (4181, 4674), (4218, 4633), (4294, 4551)]