18905170

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{26627}}^1$

素因数の和:26705

約数の個数: 16

約数和(自身を含む): 34509888

約数和(自身を除く): 15604718

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 26627, 53254, 133135, 266270, 1890517, 3781034, 9452585, 18905170]

約数ペア:

[(1, 18905170), (2, 9452585), (5, 3781034), (10, 1890517), (71, 266270), (142, 133135), (355, 53254), (710, 26627)]