18855470

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{26557}}^1$

素因数の和:26635

約数の個数: 16

約数和(自身を含む): 34419168

約数和(自身を除く): 15563698

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 26557, 53114, 132785, 265570, 1885547, 3771094, 9427735, 18855470]

約数ペア:

[(1, 18855470), (2, 9427735), (5, 3771094), (10, 1885547), (71, 265570), (142, 132785), (355, 53114), (710, 26557)]