11917480

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1187}}^1$

素因数の和:1449

約数の個数: 32

約数和(自身を含む): 26943840

約数和(自身を除く): 15026360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1187, 1255, 2008, 2374, 2510, 4748, 5020, 5935, 9496, 10040, 11870, 23740, 47480, 297937, 595874, 1191748, 1489685, 2383496, 2979370, 5958740, 11917480]

約数ペア:

[(1, 11917480), (2, 5958740), (4, 2979370), (5, 2383496), (8, 1489685), (10, 1191748), (20, 595874), (40, 297937), (251, 47480), (502, 23740), (1004, 11870), (1187, 10040), (1255, 9496), (2008, 5935), (2374, 5020), (2510, 4748)]