19514776

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:184

約数の個数: 64

約数和(自身を含む): 41057280

約数和(自身を除く): 21542504

約数列:

[1, 2, 4, 8, 17, 34, 43, 47, 68, 71, 86, 94, 136, 142, 172, 188, 284, 344, 376, 568, 731, 799, 1207, 1462, 1598, 2021, 2414, 2924, 3053, 3196, 3337, 4042, 4828, 5848, 6106, 6392, 6674, 8084, 9656, 12212, 13348, 16168, 24424, 26696, 34357, 51901, 56729, 68714, 103802, 113458, 137428, 143491, 207604, 226916, 274856, 286982, 415208, 453832, 573964, 1147928, 2439347, 4878694, 9757388, 19514776]

約数ペア:

[(1, 19514776), (2, 9757388), (4, 4878694), (8, 2439347), (17, 1147928), (34, 573964), (43, 453832), (47, 415208), (68, 286982), (71, 274856), (86, 226916), (94, 207604), (136, 143491), (142, 137428), (172, 113458), (188, 103802), (284, 68714), (344, 56729), (376, 51901), (568, 34357), (731, 26696), (799, 24424), (1207, 16168), (1462, 13348), (1598, 12212), (2021, 9656), (2414, 8084), (2924, 6674), (3053, 6392), (3196, 6106), (3337, 5848), (4042, 4828)]