18581080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{66361}}^1$

素因数の和:66379

約数の個数: 32

約数和(自身を含む): 47780640

約数和(自身を除く): 29199560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 66361, 132722, 265444, 331805, 464527, 530888, 663610, 929054, 1327220, 1858108, 2322635, 2654440, 3716216, 4645270, 9290540, 18581080]

約数ペア:

[(1, 18581080), (2, 9290540), (4, 4645270), (5, 3716216), (7, 2654440), (8, 2322635), (10, 1858108), (14, 1327220), (20, 929054), (28, 663610), (35, 530888), (40, 464527), (56, 331805), (70, 265444), (140, 132722), (280, 66361)]