18940310

素因数分解:

$2^1\times 5^1\times {\mathrm{691}}^1\times {\mathrm{2741}}^1$

素因数の和:3439

約数の個数: 16

約数和(自身を含む): 34154352

約数和(自身を除く): 15214042

約数列:

[1, 2, 5, 10, 691, 1382, 2741, 3455, 5482, 6910, 13705, 27410, 1894031, 3788062, 9470155, 18940310]

約数ペア:

[(1, 18940310), (2, 9470155), (5, 3788062), (10, 1894031), (691, 27410), (1382, 13705), (2741, 6910), (3455, 5482)]