19771444

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2791}}^1$

素因数の和:2836

約数の個数: 48

約数和(自身を含む): 45029376

約数和(自身を除く): 25257932

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 77, 92, 154, 161, 253, 308, 322, 506, 644, 1012, 1771, 2791, 3542, 5582, 7084, 11164, 19537, 30701, 39074, 61402, 64193, 78148, 122804, 128386, 214907, 256772, 429814, 449351, 706123, 859628, 898702, 1412246, 1797404, 2824492, 4942861, 9885722, 19771444]

約数ペア:

[(1, 19771444), (2, 9885722), (4, 4942861), (7, 2824492), (11, 1797404), (14, 1412246), (22, 898702), (23, 859628), (28, 706123), (44, 449351), (46, 429814), (77, 256772), (92, 214907), (154, 128386), (161, 122804), (253, 78148), (308, 64193), (322, 61402), (506, 39074), (644, 30701), (1012, 19537), (1771, 11164), (2791, 7084), (3542, 5582)]