18703964

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{42899}}^1$

素因数の和:43012

約数の個数: 12

約数和(自身を含む): 33033000

約数和(自身を除く): 14329036

約数列:

[1, 2, 4, 109, 218, 436, 42899, 85798, 171596, 4675991, 9351982, 18703964]

約数ペア:

[(1, 18703964), (2, 9351982), (4, 4675991), (109, 171596), (218, 85798), (436, 42899)]