18990272

素因数分解:

$2^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:158

約数の個数: 112

約数和(自身を含む): 47792640

約数和(自身を除く): 28802368

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 23, 28, 32, 38, 46, 56, 64, 76, 92, 97, 112, 133, 152, 161, 184, 194, 224, 266, 304, 322, 368, 388, 437, 448, 532, 608, 644, 679, 736, 776, 874, 1064, 1216, 1288, 1358, 1472, 1552, 1748, 1843, 2128, 2231, 2576, 2716, 3059, 3104, 3496, 3686, 4256, 4462, 5152, 5432, 6118, 6208, 6992, 7372, 8512, 8924, 10304, 10864, 12236, 12901, 13984, 14744, 15617, 17848, 21728, 24472, 25802, 27968, 29488, 31234, 35696, 42389, 43456, 48944, 51604, 58976, 62468, 71392, 84778, 97888, 103208, 117952, 124936, 142784, 169556, 195776, 206416, 249872, 296723, 339112, 412832, 499744, 593446, 678224, 825664, 999488, 1186892, 1356448, 2373784, 2712896, 4747568, 9495136, 18990272]

約数ペア:

[(1, 18990272), (2, 9495136), (4, 4747568), (7, 2712896), (8, 2373784), (14, 1356448), (16, 1186892), (19, 999488), (23, 825664), (28, 678224), (32, 593446), (38, 499744), (46, 412832), (56, 339112), (64, 296723), (76, 249872), (92, 206416), (97, 195776), (112, 169556), (133, 142784), (152, 124936), (161, 117952), (184, 103208), (194, 97888), (224, 84778), (266, 71392), (304, 62468), (322, 58976), (368, 51604), (388, 48944), (437, 43456), (448, 42389), (532, 35696), (608, 31234), (644, 29488), (679, 27968), (736, 25802), (776, 24472), (874, 21728), (1064, 17848), (1216, 15617), (1288, 14744), (1358, 13984), (1472, 12901), (1552, 12236), (1748, 10864), (1843, 10304), (2128, 8924), (2231, 8512), (2576, 7372), (2716, 6992), (3059, 6208), (3104, 6118), (3496, 5432), (3686, 5152), (4256, 4462)]