18991424024

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1033}}^1\times {\mathrm{2437}}^1$

素因数の和:3540

約数の個数: 64

約数和(自身を含む): 38115887040

約数和(自身を除く): 19124463016

約数列:

[1, 2, 4, 8, 23, 41, 46, 82, 92, 164, 184, 328, 943, 1033, 1886, 2066, 2437, 3772, 4132, 4874, 7544, 8264, 9748, 19496, 23759, 42353, 47518, 56051, 84706, 95036, 99917, 112102, 169412, 190072, 199834, 224204, 338824, 399668, 448408, 799336, 974119, 1948238, 2298091, 2517421, 3896476, 4596182, 5034842, 7792952, 9192364, 10069684, 18384728, 20139368, 57900683, 103214261, 115801366, 206428522, 231602732, 412857044, 463205464, 825714088, 2373928003, 4747856006, 9495712012, 18991424024]

約数ペア:

[(1, 18991424024), (2, 9495712012), (4, 4747856006), (8, 2373928003), (23, 825714088), (41, 463205464), (46, 412857044), (82, 231602732), (92, 206428522), (164, 115801366), (184, 103214261), (328, 57900683), (943, 20139368), (1033, 18384728), (1886, 10069684), (2066, 9192364), (2437, 7792952), (3772, 5034842), (4132, 4596182), (4874, 3896476), (7544, 2517421), (8264, 2298091), (9748, 1948238), (19496, 974119), (23759, 799336), (42353, 448408), (47518, 399668), (56051, 338824), (84706, 224204), (95036, 199834), (99917, 190072), (112102, 169412)]