19984074

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:295

約数の個数: 64

約数和(自身を含む): 46189440

約数和(自身を除く): 26205366

約数列:

[1, 2, 3, 6, 11, 22, 29, 33, 53, 58, 66, 87, 106, 159, 174, 197, 318, 319, 394, 583, 591, 638, 957, 1166, 1182, 1537, 1749, 1914, 2167, 3074, 3498, 4334, 4611, 5713, 6501, 9222, 10441, 11426, 13002, 16907, 17139, 20882, 31323, 33814, 34278, 50721, 62646, 62843, 101442, 114851, 125686, 188529, 229702, 302789, 344553, 377058, 605578, 689106, 908367, 1816734, 3330679, 6661358, 9992037, 19984074]

約数ペア:

[(1, 19984074), (2, 9992037), (3, 6661358), (6, 3330679), (11, 1816734), (22, 908367), (29, 689106), (33, 605578), (53, 377058), (58, 344553), (66, 302789), (87, 229702), (106, 188529), (159, 125686), (174, 114851), (197, 101442), (318, 62843), (319, 62646), (394, 50721), (583, 34278), (591, 33814), (638, 31323), (957, 20882), (1166, 17139), (1182, 16907), (1537, 13002), (1749, 11426), (1914, 10441), (2167, 9222), (3074, 6501), (3498, 5713), (4334, 4611)]