19534774

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:185

約数の個数: 64

約数和(自身を含む): 38338560

約数和(自身を除く): 18803786

約数列:

[1, 2, 7, 14, 19, 23, 31, 38, 46, 62, 103, 133, 161, 206, 217, 266, 322, 434, 437, 589, 713, 721, 874, 1178, 1426, 1442, 1957, 2369, 3059, 3193, 3914, 4123, 4738, 4991, 6118, 6386, 8246, 9982, 13547, 13699, 16583, 22351, 27094, 27398, 33166, 44702, 45011, 60667, 73439, 90022, 94829, 121334, 146878, 189658, 315077, 424669, 514073, 630154, 849338, 1028146, 1395341, 2790682, 9767387, 19534774]

約数ペア:

[(1, 19534774), (2, 9767387), (7, 2790682), (14, 1395341), (19, 1028146), (23, 849338), (31, 630154), (38, 514073), (46, 424669), (62, 315077), (103, 189658), (133, 146878), (161, 121334), (206, 94829), (217, 90022), (266, 73439), (322, 60667), (434, 45011), (437, 44702), (589, 33166), (713, 27398), (721, 27094), (874, 22351), (1178, 16583), (1426, 13699), (1442, 13547), (1957, 9982), (2369, 8246), (3059, 6386), (3193, 6118), (3914, 4991), (4123, 4738)]