18813648

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:465

約数の個数: 120

約数和(自身を含む): 59653920

約数和(自身を除く): 40840272

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 38, 42, 48, 49, 56, 57, 76, 84, 98, 112, 114, 133, 147, 152, 168, 196, 228, 266, 294, 304, 336, 392, 399, 421, 456, 532, 588, 784, 798, 842, 912, 931, 1064, 1176, 1263, 1596, 1684, 1862, 2128, 2352, 2526, 2793, 2947, 3192, 3368, 3724, 5052, 5586, 5894, 6384, 6736, 7448, 7999, 8841, 10104, 11172, 11788, 14896, 15998, 17682, 20208, 20629, 22344, 23576, 23997, 31996, 35364, 41258, 44688, 47152, 47994, 55993, 61887, 63992, 70728, 82516, 95988, 111986, 123774, 127984, 141456, 165032, 167979, 191976, 223972, 247548, 330064, 335958, 383952, 391951, 447944, 495096, 671916, 783902, 895888, 990192, 1175853, 1343832, 1567804, 2351706, 2687664, 3135608, 4703412, 6271216, 9406824, 18813648]

約数ペア:

[(1, 18813648), (2, 9406824), (3, 6271216), (4, 4703412), (6, 3135608), (7, 2687664), (8, 2351706), (12, 1567804), (14, 1343832), (16, 1175853), (19, 990192), (21, 895888), (24, 783902), (28, 671916), (38, 495096), (42, 447944), (48, 391951), (49, 383952), (56, 335958), (57, 330064), (76, 247548), (84, 223972), (98, 191976), (112, 167979), (114, 165032), (133, 141456), (147, 127984), (152, 123774), (168, 111986), (196, 95988), (228, 82516), (266, 70728), (294, 63992), (304, 61887), (336, 55993), (392, 47994), (399, 47152), (421, 44688), (456, 41258), (532, 35364), (588, 31996), (784, 23997), (798, 23576), (842, 22344), (912, 20629), (931, 20208), (1064, 17682), (1176, 15998), (1263, 14896), (1596, 11788), (1684, 11172), (1862, 10104), (2128, 8841), (2352, 7999), (2526, 7448), (2793, 6736), (2947, 6384), (3192, 5894), (3368, 5586), (3724, 5052)]