19008565996

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{87631}}^1$

素因数の和:87830

約数の個数: 48

約数和(自身を含む): 38945062912

約数和(自身を除く): 19936496916

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 127, 244, 254, 427, 508, 854, 889, 1708, 1778, 3556, 7747, 15494, 30988, 54229, 87631, 108458, 175262, 216916, 350524, 613417, 1226834, 2453668, 5345491, 10690982, 11129137, 21381964, 22258274, 37418437, 44516548, 74836874, 77903959, 149673748, 155807918, 311615836, 678877357, 1357754714, 2715509428, 4752141499, 9504282998, 19008565996]

約数ペア:

[(1, 19008565996), (2, 9504282998), (4, 4752141499), (7, 2715509428), (14, 1357754714), (28, 678877357), (61, 311615836), (122, 155807918), (127, 149673748), (244, 77903959), (254, 74836874), (427, 44516548), (508, 37418437), (854, 22258274), (889, 21381964), (1708, 11129137), (1778, 10690982), (3556, 5345491), (7747, 2453668), (15494, 1226834), (30988, 613417), (54229, 350524), (87631, 216916), (108458, 175262)]