19392009

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{283}}^1$

素因数の和:557

約数の個数: 32

約数和(自身を含む): 32062464

約数和(自身を除く): 12670455

約数列:

[1, 3, 7, 13, 21, 39, 91, 251, 273, 283, 753, 849, 1757, 1981, 3263, 3679, 5271, 5943, 9789, 11037, 22841, 25753, 68523, 71033, 77259, 213099, 497231, 923429, 1491693, 2770287, 6464003, 19392009]

約数ペア:

[(1, 19392009), (3, 6464003), (7, 2770287), (13, 1491693), (21, 923429), (39, 497231), (91, 213099), (251, 77259), (273, 71033), (283, 68523), (753, 25753), (849, 22841), (1757, 11037), (1981, 9789), (3263, 5943), (3679, 5271)]