19740003

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{3919}}^1$

素因数の和:4018

約数の個数: 16

約数和(自身を含む): 27847680

約数和(自身を除く): 8107677

約数列:

[1, 3, 23, 69, 73, 219, 1679, 3919, 5037, 11757, 90137, 270411, 286087, 858261, 6580001, 19740003]

約数ペア:

[(1, 19740003), (3, 6580001), (23, 858261), (69, 286087), (73, 270411), (219, 90137), (1679, 11757), (3919, 5037)]