19896272

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:312

約数の個数: 60

約数和(自身を含む): 43538880

約数和(自身を除く): 23642608

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 121, 172, 176, 239, 242, 344, 473, 478, 484, 688, 946, 956, 968, 1892, 1912, 1936, 2629, 3784, 3824, 5203, 5258, 7568, 10277, 10406, 10516, 20554, 20812, 21032, 28919, 41108, 41624, 42064, 57838, 82216, 83248, 113047, 115676, 164432, 226094, 231352, 452188, 462704, 904376, 1243517, 1808752, 2487034, 4974068, 9948136, 19896272]

約数ペア:

[(1, 19896272), (2, 9948136), (4, 4974068), (8, 2487034), (11, 1808752), (16, 1243517), (22, 904376), (43, 462704), (44, 452188), (86, 231352), (88, 226094), (121, 164432), (172, 115676), (176, 113047), (239, 83248), (242, 82216), (344, 57838), (473, 42064), (478, 41624), (484, 41108), (688, 28919), (946, 21032), (956, 20812), (968, 20554), (1892, 10516), (1912, 10406), (1936, 10277), (2629, 7568), (3784, 5258), (3824, 5203)]