19642744

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:268

約数の個数: 64

約数和(自身を含む): 42768000

約数和(自身を除く): 23125256

約数列:

[1, 2, 4, 8, 11, 22, 29, 43, 44, 58, 86, 88, 116, 172, 179, 232, 319, 344, 358, 473, 638, 716, 946, 1247, 1276, 1432, 1892, 1969, 2494, 2552, 3784, 3938, 4988, 5191, 7697, 7876, 9976, 10382, 13717, 15394, 15752, 20764, 27434, 30788, 41528, 54868, 57101, 61576, 84667, 109736, 114202, 169334, 223213, 228404, 338668, 446426, 456808, 677336, 892852, 1785704, 2455343, 4910686, 9821372, 19642744]

約数ペア:

[(1, 19642744), (2, 9821372), (4, 4910686), (8, 2455343), (11, 1785704), (22, 892852), (29, 677336), (43, 456808), (44, 446426), (58, 338668), (86, 228404), (88, 223213), (116, 169334), (172, 114202), (179, 109736), (232, 84667), (319, 61576), (344, 57101), (358, 54868), (473, 41528), (638, 30788), (716, 27434), (946, 20764), (1247, 15752), (1276, 15394), (1432, 13717), (1892, 10382), (1969, 9976), (2494, 7876), (2552, 7697), (3784, 5191), (3938, 4988)]