19905958

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{607}}^1\times {\mathrm{863}}^1$

素因数の和:1491

約数の個数: 16

約数和(自身を含む): 31518720

約数和(自身を除く): 11612762

約数列:

[1, 2, 19, 38, 607, 863, 1214, 1726, 11533, 16397, 23066, 32794, 523841, 1047682, 9952979, 19905958]

約数ペア:

[(1, 19905958), (2, 9952979), (19, 1047682), (38, 523841), (607, 32794), (863, 23066), (1214, 16397), (1726, 11533)]