19762155

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1459}}^1$

素因数の和:1520

約数の個数: 48

約数和(自身を含む): 40085760

約数和(自身を除く): 20323605

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 43, 45, 63, 105, 129, 215, 301, 315, 387, 645, 903, 1459, 1505, 1935, 2709, 4377, 4515, 7295, 10213, 13131, 13545, 21885, 30639, 51065, 62737, 65655, 91917, 153195, 188211, 313685, 439159, 459585, 564633, 941055, 1317477, 2195795, 2823165, 3952431, 6587385, 19762155]

約数ペア:

[(1, 19762155), (3, 6587385), (5, 3952431), (7, 2823165), (9, 2195795), (15, 1317477), (21, 941055), (35, 564633), (43, 459585), (45, 439159), (63, 313685), (105, 188211), (129, 153195), (215, 91917), (301, 65655), (315, 62737), (387, 51065), (645, 30639), (903, 21885), (1459, 13545), (1505, 13131), (1935, 10213), (2709, 7295), (4377, 4515)]