19663728

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1361}}^1$

素因数の和:1422

約数の個数: 80

約数和(自身を含む): 59448576

約数和(自身を除く): 39784848

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 43, 48, 56, 84, 86, 112, 129, 168, 172, 258, 301, 336, 344, 516, 602, 688, 903, 1032, 1204, 1361, 1806, 2064, 2408, 2722, 3612, 4083, 4816, 5444, 7224, 8166, 9527, 10888, 14448, 16332, 19054, 21776, 28581, 32664, 38108, 57162, 58523, 65328, 76216, 114324, 117046, 152432, 175569, 228648, 234092, 351138, 409661, 457296, 468184, 702276, 819322, 936368, 1228983, 1404552, 1638644, 2457966, 2809104, 3277288, 4915932, 6554576, 9831864, 19663728]

約数ペア:

[(1, 19663728), (2, 9831864), (3, 6554576), (4, 4915932), (6, 3277288), (7, 2809104), (8, 2457966), (12, 1638644), (14, 1404552), (16, 1228983), (21, 936368), (24, 819322), (28, 702276), (42, 468184), (43, 457296), (48, 409661), (56, 351138), (84, 234092), (86, 228648), (112, 175569), (129, 152432), (168, 117046), (172, 114324), (258, 76216), (301, 65328), (336, 58523), (344, 57162), (516, 38108), (602, 32664), (688, 28581), (903, 21776), (1032, 19054), (1204, 16332), (1361, 14448), (1806, 10888), (2064, 9527), (2408, 8166), (2722, 7224), (3612, 5444), (4083, 4816)]