18213370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{260191}}^1$

素因数の和:260205

約数の個数: 16

約数和(自身を含む): 37467648

約数和(自身を除く): 19254278

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 260191, 520382, 1300955, 1821337, 2601910, 3642674, 9106685, 18213370]

約数ペア:

[(1, 18213370), (2, 9106685), (5, 3642674), (7, 2601910), (10, 1821337), (14, 1300955), (35, 520382), (70, 260191)]