18218928

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:171

約数の個数: 160

約数和(自身を含む): 59885056

約数和(自身を除く): 41666128

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 43, 48, 52, 56, 78, 84, 86, 91, 97, 104, 112, 129, 156, 168, 172, 182, 194, 208, 258, 273, 291, 301, 312, 336, 344, 364, 388, 516, 546, 559, 582, 602, 624, 679, 688, 728, 776, 903, 1032, 1092, 1118, 1164, 1204, 1261, 1358, 1456, 1552, 1677, 1806, 2037, 2064, 2184, 2236, 2328, 2408, 2522, 2716, 3354, 3612, 3783, 3913, 4074, 4171, 4368, 4472, 4656, 4816, 5044, 5432, 6708, 7224, 7566, 7826, 8148, 8342, 8827, 8944, 10088, 10864, 11739, 12513, 13416, 14448, 15132, 15652, 16296, 16684, 17654, 20176, 23478, 25026, 26481, 26832, 29197, 30264, 31304, 32592, 33368, 35308, 46956, 50052, 52962, 54223, 58394, 60528, 62608, 66736, 70616, 87591, 93912, 100104, 105924, 108446, 116788, 141232, 162669, 175182, 187824, 200208, 211848, 216892, 233576, 325338, 350364, 379561, 423696, 433784, 467152, 650676, 700728, 759122, 867568, 1138683, 1301352, 1401456, 1518244, 2277366, 2602704, 3036488, 4554732, 6072976, 9109464, 18218928]

約数ペア:

[(1, 18218928), (2, 9109464), (3, 6072976), (4, 4554732), (6, 3036488), (7, 2602704), (8, 2277366), (12, 1518244), (13, 1401456), (14, 1301352), (16, 1138683), (21, 867568), (24, 759122), (26, 700728), (28, 650676), (39, 467152), (42, 433784), (43, 423696), (48, 379561), (52, 350364), (56, 325338), (78, 233576), (84, 216892), (86, 211848), (91, 200208), (97, 187824), (104, 175182), (112, 162669), (129, 141232), (156, 116788), (168, 108446), (172, 105924), (182, 100104), (194, 93912), (208, 87591), (258, 70616), (273, 66736), (291, 62608), (301, 60528), (312, 58394), (336, 54223), (344, 52962), (364, 50052), (388, 46956), (516, 35308), (546, 33368), (559, 32592), (582, 31304), (602, 30264), (624, 29197), (679, 26832), (688, 26481), (728, 25026), (776, 23478), (903, 20176), (1032, 17654), (1092, 16684), (1118, 16296), (1164, 15652), (1204, 15132), (1261, 14448), (1358, 13416), (1456, 12513), (1552, 11739), (1677, 10864), (1806, 10088), (2037, 8944), (2064, 8827), (2184, 8342), (2236, 8148), (2328, 7826), (2408, 7566), (2522, 7224), (2716, 6708), (3354, 5432), (3612, 5044), (3783, 4816), (3913, 4656), (4074, 4472), (4171, 4368)]