81810010

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{430579}}^1$

素因数の和:430605

約数の個数: 16

約数和(自身を含む): 155008800

約数和(自身を除く): 73198790

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 430579, 861158, 2152895, 4305790, 8181001, 16362002, 40905005, 81810010]

約数ペア:

[(1, 81810010), (2, 40905005), (5, 16362002), (10, 8181001), (19, 4305790), (38, 2152895), (95, 861158), (190, 430579)]