19985175

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{12689}}^1$

素因数の和:12712

約数の個数: 36

約数和(自身を含む): 40912560

約数和(自身を除く): 20927385

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 175, 225, 315, 525, 1575, 12689, 38067, 63445, 88823, 114201, 190335, 266469, 317225, 444115, 571005, 799407, 951675, 1332345, 2220575, 2855025, 3997035, 6661725, 19985175]

約数ペア:

[(1, 19985175), (3, 6661725), (5, 3997035), (7, 2855025), (9, 2220575), (15, 1332345), (21, 951675), (25, 799407), (35, 571005), (45, 444115), (63, 317225), (75, 266469), (105, 190335), (175, 114201), (225, 88823), (315, 63445), (525, 38067), (1575, 12689)]