18416216

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{617}}^1$

素因数の和:684

約数の個数: 64

約数和(自身を含む): 43606080

約数和(自身を除く): 25189864

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 41, 52, 56, 82, 91, 104, 164, 182, 287, 328, 364, 533, 574, 617, 728, 1066, 1148, 1234, 2132, 2296, 2468, 3731, 4264, 4319, 4936, 7462, 8021, 8638, 14924, 16042, 17276, 25297, 29848, 32084, 34552, 50594, 56147, 64168, 101188, 112294, 177079, 202376, 224588, 328861, 354158, 449176, 657722, 708316, 1315444, 1416632, 2302027, 2630888, 4604054, 9208108, 18416216]

約数ペア:

[(1, 18416216), (2, 9208108), (4, 4604054), (7, 2630888), (8, 2302027), (13, 1416632), (14, 1315444), (26, 708316), (28, 657722), (41, 449176), (52, 354158), (56, 328861), (82, 224588), (91, 202376), (104, 177079), (164, 112294), (182, 101188), (287, 64168), (328, 56147), (364, 50594), (533, 34552), (574, 32084), (617, 29848), (728, 25297), (1066, 17276), (1148, 16042), (1234, 14924), (2132, 8638), (2296, 8021), (2468, 7462), (3731, 4936), (4264, 4319)]