18931353

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2791}}^1$

素因数の和:2837

約数の個数: 32

約数和(自身を含む): 32163840

約数和(自身を除く): 13232487

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 133, 323, 357, 399, 969, 2261, 2791, 6783, 8373, 19537, 47447, 53029, 58611, 142341, 159087, 332129, 371203, 901493, 996387, 1113609, 2704479, 6310451, 18931353]

約数ペア:

[(1, 18931353), (3, 6310451), (7, 2704479), (17, 1113609), (19, 996387), (21, 901493), (51, 371203), (57, 332129), (119, 159087), (133, 142341), (323, 58611), (357, 53029), (399, 47447), (969, 19537), (2261, 8373), (2791, 6783)]