16573928

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:490

約数の個数: 64

約数和(自身を含む): 38486400

約数和(自身を除く): 21912472

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 37, 38, 56, 74, 76, 133, 148, 152, 259, 266, 296, 421, 518, 532, 703, 842, 1036, 1064, 1406, 1684, 2072, 2812, 2947, 3368, 4921, 5624, 5894, 7999, 9842, 11788, 15577, 15998, 19684, 23576, 31154, 31996, 39368, 55993, 62308, 63992, 109039, 111986, 124616, 218078, 223972, 295963, 436156, 447944, 591926, 872312, 1183852, 2071741, 2367704, 4143482, 8286964, 16573928]

約数ペア:

[(1, 16573928), (2, 8286964), (4, 4143482), (7, 2367704), (8, 2071741), (14, 1183852), (19, 872312), (28, 591926), (37, 447944), (38, 436156), (56, 295963), (74, 223972), (76, 218078), (133, 124616), (148, 111986), (152, 109039), (259, 63992), (266, 62308), (296, 55993), (421, 39368), (518, 31996), (532, 31154), (703, 23576), (842, 19684), (1036, 15998), (1064, 15577), (1406, 11788), (1684, 9842), (2072, 7999), (2812, 5894), (2947, 5624), (3368, 4921)]