19660219124

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{155653}}^1$

素因数の和:156024

約数の個数: 48

約数和(自身を含む): 42467392128

約数和(自身を除く): 22807173004

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 347, 364, 694, 1388, 2429, 4511, 4858, 9022, 9716, 18044, 31577, 63154, 126308, 155653, 311306, 622612, 1089571, 2023489, 2179142, 4046978, 4358284, 8093956, 14164423, 28328846, 54011591, 56657692, 108023182, 216046364, 378081137, 702150683, 756162274, 1404301366, 1512324548, 2808602732, 4915054781, 9830109562, 19660219124]

約数ペア:

[(1, 19660219124), (2, 9830109562), (4, 4915054781), (7, 2808602732), (13, 1512324548), (14, 1404301366), (26, 756162274), (28, 702150683), (52, 378081137), (91, 216046364), (182, 108023182), (347, 56657692), (364, 54011591), (694, 28328846), (1388, 14164423), (2429, 8093956), (4511, 4358284), (4858, 4046978), (9022, 2179142), (9716, 2023489), (18044, 1089571), (31577, 622612), (63154, 311306), (126308, 155653)]