18964792

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1811}}^1$

素因数の和:1852

約数の個数: 64

約数和(自身を含む): 46967040

約数和(自身を除く): 28002248

約数列:

[1, 2, 4, 7, 8, 11, 14, 17, 22, 28, 34, 44, 56, 68, 77, 88, 119, 136, 154, 187, 238, 308, 374, 476, 616, 748, 952, 1309, 1496, 1811, 2618, 3622, 5236, 7244, 10472, 12677, 14488, 19921, 25354, 30787, 39842, 50708, 61574, 79684, 101416, 123148, 139447, 159368, 215509, 246296, 278894, 338657, 431018, 557788, 677314, 862036, 1115576, 1354628, 1724072, 2370599, 2709256, 4741198, 9482396, 18964792]

約数ペア:

[(1, 18964792), (2, 9482396), (4, 4741198), (7, 2709256), (8, 2370599), (11, 1724072), (14, 1354628), (17, 1115576), (22, 862036), (28, 677314), (34, 557788), (44, 431018), (56, 338657), (68, 278894), (77, 246296), (88, 215509), (119, 159368), (136, 139447), (154, 123148), (187, 101416), (238, 79684), (308, 61574), (374, 50708), (476, 39842), (616, 30787), (748, 25354), (952, 19921), (1309, 14488), (1496, 12677), (1811, 10472), (2618, 7244), (3622, 5236)]