18863152

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:338

約数の個数: 80

約数和(自身を含む): 46497024

約数和(自身を除く): 27633872

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 61, 77, 88, 112, 122, 154, 176, 244, 251, 308, 427, 488, 502, 616, 671, 854, 976, 1004, 1232, 1342, 1708, 1757, 2008, 2684, 2761, 3416, 3514, 4016, 4697, 5368, 5522, 6832, 7028, 9394, 10736, 11044, 14056, 15311, 18788, 19327, 22088, 28112, 30622, 37576, 38654, 44176, 61244, 75152, 77308, 107177, 122488, 154616, 168421, 214354, 244976, 309232, 336842, 428708, 673684, 857416, 1178947, 1347368, 1714832, 2357894, 2694736, 4715788, 9431576, 18863152]

約数ペア:

[(1, 18863152), (2, 9431576), (4, 4715788), (7, 2694736), (8, 2357894), (11, 1714832), (14, 1347368), (16, 1178947), (22, 857416), (28, 673684), (44, 428708), (56, 336842), (61, 309232), (77, 244976), (88, 214354), (112, 168421), (122, 154616), (154, 122488), (176, 107177), (244, 77308), (251, 75152), (308, 61244), (427, 44176), (488, 38654), (502, 37576), (616, 30622), (671, 28112), (854, 22088), (976, 19327), (1004, 18788), (1232, 15311), (1342, 14056), (1708, 11044), (1757, 10736), (2008, 9394), (2684, 7028), (2761, 6832), (3416, 5522), (3514, 5368), (4016, 4697)]