18013387

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:331

約数の個数: 32

約数和(自身を含む): 23777280

約数和(自身を除く): 5763893

約数列:

[1, 7, 17, 19, 31, 119, 133, 217, 257, 323, 527, 589, 1799, 2261, 3689, 4123, 4369, 4883, 7967, 10013, 30583, 34181, 55769, 70091, 83011, 135439, 151373, 581077, 948073, 1059611, 2573341, 18013387]

約数ペア:

[(1, 18013387), (7, 2573341), (17, 1059611), (19, 948073), (31, 581077), (119, 151373), (133, 135439), (217, 83011), (257, 70091), (323, 55769), (527, 34181), (589, 30583), (1799, 10013), (2261, 7967), (3689, 4883), (4123, 4369)]