1899339988

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{71479}}^1$

素因数の和:71576

約数の個数: 48

約数和(自身を含む): 4146983680

約数和(自身を除く): 2247643692

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 73, 91, 146, 182, 292, 364, 511, 949, 1022, 1898, 2044, 3796, 6643, 13286, 26572, 71479, 142958, 285916, 500353, 929227, 1000706, 1858454, 2001412, 3716908, 5217967, 6504589, 10435934, 13009178, 20871868, 26018356, 36525769, 67833571, 73051538, 135667142, 146103076, 271334284, 474834997, 949669994, 1899339988]

約数ペア:

[(1, 1899339988), (2, 949669994), (4, 474834997), (7, 271334284), (13, 146103076), (14, 135667142), (26, 73051538), (28, 67833571), (52, 36525769), (73, 26018356), (91, 20871868), (146, 13009178), (182, 10435934), (292, 6504589), (364, 5217967), (511, 3716908), (949, 2001412), (1022, 1858454), (1898, 1000706), (2044, 929227), (3796, 500353), (6643, 285916), (13286, 142958), (26572, 71479)]