19487589

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{5519}}^1$

素因数の和:5640

約数の個数: 16

約数和(自身を含む): 28615680

約数和(自身を除く): 9128091

約数列:

[1, 3, 11, 33, 107, 321, 1177, 3531, 5519, 16557, 60709, 182127, 590533, 1771599, 6495863, 19487589]

約数ペア:

[(1, 19487589), (3, 6495863), (11, 1771599), (33, 590533), (107, 182127), (321, 60709), (1177, 16557), (3531, 5519)]