19758156

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^2$

素因数の和:179

約数の個数: 72

約数和(自身を含む): 52350144

約数和(自身を除く): 32591988

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 43, 44, 59, 66, 86, 118, 129, 132, 172, 177, 236, 258, 354, 473, 516, 649, 708, 946, 1298, 1419, 1892, 1947, 2537, 2596, 2838, 3481, 3894, 5074, 5676, 6962, 7611, 7788, 10148, 10443, 13924, 15222, 20886, 27907, 30444, 38291, 41772, 55814, 76582, 83721, 111628, 114873, 149683, 153164, 167442, 229746, 299366, 334884, 449049, 459492, 598732, 898098, 1646513, 1796196, 3293026, 4939539, 6586052, 9879078, 19758156]

約数ペア:

[(1, 19758156), (2, 9879078), (3, 6586052), (4, 4939539), (6, 3293026), (11, 1796196), (12, 1646513), (22, 898098), (33, 598732), (43, 459492), (44, 449049), (59, 334884), (66, 299366), (86, 229746), (118, 167442), (129, 153164), (132, 149683), (172, 114873), (177, 111628), (236, 83721), (258, 76582), (354, 55814), (473, 41772), (516, 38291), (649, 30444), (708, 27907), (946, 20886), (1298, 15222), (1419, 13924), (1892, 10443), (1947, 10148), (2537, 7788), (2596, 7611), (2838, 6962), (3481, 5676), (3894, 5074)]