19385366

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1$

素因数の和:477

約数の個数: 64

約数和(自身を含む): 40836096

約数和(自身を除く): 21450730

約数列:

[1, 2, 7, 11, 13, 14, 22, 23, 26, 46, 77, 91, 143, 154, 161, 182, 253, 286, 299, 322, 421, 506, 598, 842, 1001, 1771, 2002, 2093, 2947, 3289, 3542, 4186, 4631, 5473, 5894, 6578, 9262, 9683, 10946, 19366, 23023, 32417, 38311, 46046, 60203, 64834, 67781, 76622, 106513, 120406, 125879, 135562, 213026, 251758, 421421, 745591, 842842, 881153, 1384669, 1491182, 1762306, 2769338, 9692683, 19385366]

約数ペア:

[(1, 19385366), (2, 9692683), (7, 2769338), (11, 1762306), (13, 1491182), (14, 1384669), (22, 881153), (23, 842842), (26, 745591), (46, 421421), (77, 251758), (91, 213026), (143, 135562), (154, 125879), (161, 120406), (182, 106513), (253, 76622), (286, 67781), (299, 64834), (322, 60203), (421, 46046), (506, 38311), (598, 32417), (842, 23023), (1001, 19366), (1771, 10946), (2002, 9683), (2093, 9262), (2947, 6578), (3289, 5894), (3542, 5473), (4186, 4631)]