19204913

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:166

約数の個数: 32

約数和(自身を含む): 24864000

約数和(自身を除く): 5659087

約数列:

[1, 7, 13, 49, 59, 73, 91, 343, 413, 511, 637, 767, 949, 2891, 3577, 4307, 4459, 5369, 6643, 20237, 25039, 30149, 37583, 46501, 55991, 211043, 263081, 325507, 391937, 1477301, 2743559, 19204913]

約数ペア:

[(1, 19204913), (7, 2743559), (13, 1477301), (49, 391937), (59, 325507), (73, 263081), (91, 211043), (343, 55991), (413, 46501), (511, 37583), (637, 30149), (767, 25039), (949, 20237), (2891, 6643), (3577, 5369), (4307, 4459)]