19084905

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1409}}^1$

素因数の和:1470

約数の個数: 48

約数和(自身を含む): 38712960

約数和(自身を除く): 19628055

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 43, 45, 63, 105, 129, 215, 301, 315, 387, 645, 903, 1409, 1505, 1935, 2709, 4227, 4515, 7045, 9863, 12681, 13545, 21135, 29589, 49315, 60587, 63405, 88767, 147945, 181761, 302935, 424109, 443835, 545283, 908805, 1272327, 2120545, 2726415, 3816981, 6361635, 19084905]

約数ペア:

[(1, 19084905), (3, 6361635), (5, 3816981), (7, 2726415), (9, 2120545), (15, 1272327), (21, 908805), (35, 545283), (43, 443835), (45, 424109), (63, 302935), (105, 181761), (129, 147945), (215, 88767), (301, 63405), (315, 60587), (387, 49315), (645, 29589), (903, 21135), (1409, 13545), (1505, 12681), (1935, 9863), (2709, 7045), (4227, 4515)]