19400469

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{15889}}^1$

素因数の和:15940

約数の個数: 16

約数和(自身を含む): 28983360

約数和(自身を除く): 9582891

約数列:

[1, 3, 11, 33, 37, 111, 407, 1221, 15889, 47667, 174779, 524337, 587893, 1763679, 6466823, 19400469]

約数ペア:

[(1, 19400469), (3, 6466823), (11, 1763679), (33, 587893), (37, 524337), (111, 174779), (407, 47667), (1221, 15889)]