18837489

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{5237}}^1$

素因数の和:5360

約数の個数: 16

約数和(自身を含む): 27656640

約数和(自身を除く): 8819151

約数列:

[1, 3, 11, 33, 109, 327, 1199, 3597, 5237, 15711, 57607, 172821, 570833, 1712499, 6279163, 18837489]

約数ペア:

[(1, 18837489), (3, 6279163), (11, 1712499), (33, 570833), (109, 172821), (327, 57607), (1199, 15711), (3597, 5237)]