18611121020

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1283}}^1\times {\mathrm{5711}}^1$

素因数の和:7130

約数の個数: 48

約数和(自身を含む): 39428702208

約数和(自身を除く): 20817581188

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 1283, 2540, 2566, 5132, 5711, 6415, 11422, 12830, 22844, 25660, 28555, 57110, 114220, 162941, 325882, 651764, 725297, 814705, 1450594, 1629410, 2901188, 3258820, 3626485, 7252970, 7327213, 14505940, 14654426, 29308852, 36636065, 73272130, 146544260, 930556051, 1861112102, 3722224204, 4652780255, 9305560510, 18611121020]

約数ペア:

[(1, 18611121020), (2, 9305560510), (4, 4652780255), (5, 3722224204), (10, 1861112102), (20, 930556051), (127, 146544260), (254, 73272130), (508, 36636065), (635, 29308852), (1270, 14654426), (1283, 14505940), (2540, 7327213), (2566, 7252970), (5132, 3626485), (5711, 3258820), (6415, 2901188), (11422, 1629410), (12830, 1450594), (22844, 814705), (25660, 725297), (28555, 651764), (57110, 325882), (114220, 162941)]