18680379745

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{659}}^1\times {\mathrm{919}}^1$

素因数の和:1813

約数の個数: 32

約数和(自身を含む): 23316480000

約数和(自身を除く): 4636100255

約数列:

[1, 5, 31, 155, 199, 659, 919, 995, 3295, 4595, 6169, 20429, 28489, 30845, 102145, 131141, 142445, 182881, 605621, 655705, 914405, 3028105, 4065371, 5669311, 18774251, 20326855, 28346555, 93871255, 120518579, 602592895, 3736075949, 18680379745]

約数ペア:

[(1, 18680379745), (5, 3736075949), (31, 602592895), (155, 120518579), (199, 93871255), (659, 28346555), (919, 20326855), (995, 18774251), (3295, 5669311), (4595, 4065371), (6169, 3028105), (20429, 914405), (28489, 655705), (30845, 605621), (102145, 182881), (131141, 142445)]