18076016

素因数分解:

$2^4\times 7^1\times {\mathrm{251}}^1\times {\mathrm{643}}^1$

素因数の和:909

約数の個数: 40

約数和(自身を含む): 40247424

約数和(自身を除く): 22171408

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 251, 502, 643, 1004, 1286, 1757, 2008, 2572, 3514, 4016, 4501, 5144, 7028, 9002, 10288, 14056, 18004, 28112, 36008, 72016, 161393, 322786, 645572, 1129751, 1291144, 2259502, 2582288, 4519004, 9038008, 18076016]

約数ペア:

[(1, 18076016), (2, 9038008), (4, 4519004), (7, 2582288), (8, 2259502), (14, 1291144), (16, 1129751), (28, 645572), (56, 322786), (112, 161393), (251, 72016), (502, 36008), (643, 28112), (1004, 18004), (1286, 14056), (1757, 10288), (2008, 9002), (2572, 7028), (3514, 5144), (4016, 4501)]