18720233439

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1019}}^1\times {\mathrm{9181}}^1$

素因数の和:10255

約数の個数: 32

約数和(自身を含む): 26973043200

約数和(自身を除く): 8252809761

約数列:

[1, 3, 23, 29, 69, 87, 667, 1019, 2001, 3057, 9181, 23437, 27543, 29551, 70311, 88653, 211163, 266249, 633489, 679673, 798747, 2039019, 6123727, 9355439, 18371181, 28066317, 215175097, 271307731, 645525291, 813923193, 6240077813, 18720233439]

約数ペア:

[(1, 18720233439), (3, 6240077813), (23, 813923193), (29, 645525291), (69, 271307731), (87, 215175097), (667, 28066317), (1019, 18371181), (2001, 9355439), (3057, 6123727), (9181, 2039019), (23437, 798747), (27543, 679673), (29551, 633489), (70311, 266249), (88653, 211163)]