19904585312

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{1307}}^1\times {\mathrm{6703}}^1$

素因数の和:8091

約数の個数: 48

約数和(自身を含む): 39775421952

約数和(自身を除く): 19870836640

約数列:

[1, 2, 4, 8, 16, 32, 71, 142, 284, 568, 1136, 1307, 2272, 2614, 5228, 6703, 10456, 13406, 20912, 26812, 41824, 53624, 92797, 107248, 185594, 214496, 371188, 475913, 742376, 951826, 1484752, 1903652, 2969504, 3807304, 7614608, 8760821, 15229216, 17521642, 35043284, 70086568, 140173136, 280346272, 622018291, 1244036582, 2488073164, 4976146328, 9952292656, 19904585312]

約数ペア:

[(1, 19904585312), (2, 9952292656), (4, 4976146328), (8, 2488073164), (16, 1244036582), (32, 622018291), (71, 280346272), (142, 140173136), (284, 70086568), (568, 35043284), (1136, 17521642), (1307, 15229216), (2272, 8760821), (2614, 7614608), (5228, 3807304), (6703, 2969504), (10456, 1903652), (13406, 1484752), (20912, 951826), (26812, 742376), (41824, 475913), (53624, 371188), (92797, 214496), (107248, 185594)]