18688176

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:243

約数の個数: 120

約数和(自身を含む): 57548400

約数和(自身を除く): 38860224

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 67, 72, 78, 104, 117, 134, 144, 149, 156, 201, 208, 234, 268, 298, 312, 402, 447, 468, 536, 596, 603, 624, 804, 871, 894, 936, 1072, 1192, 1206, 1341, 1608, 1742, 1788, 1872, 1937, 2384, 2412, 2613, 2682, 3216, 3484, 3576, 3874, 4824, 5226, 5364, 5811, 6968, 7152, 7748, 7839, 9648, 9983, 10452, 10728, 11622, 13936, 15496, 15678, 17433, 19966, 20904, 21456, 23244, 29949, 30992, 31356, 34866, 39932, 41808, 46488, 59898, 62712, 69732, 79864, 89847, 92976, 119796, 125424, 129779, 139464, 159728, 179694, 239592, 259558, 278928, 359388, 389337, 479184, 519116, 718776, 778674, 1038232, 1168011, 1437552, 1557348, 2076464, 2336022, 3114696, 4672044, 6229392, 9344088, 18688176]

約数ペア:

[(1, 18688176), (2, 9344088), (3, 6229392), (4, 4672044), (6, 3114696), (8, 2336022), (9, 2076464), (12, 1557348), (13, 1437552), (16, 1168011), (18, 1038232), (24, 778674), (26, 718776), (36, 519116), (39, 479184), (48, 389337), (52, 359388), (67, 278928), (72, 259558), (78, 239592), (104, 179694), (117, 159728), (134, 139464), (144, 129779), (149, 125424), (156, 119796), (201, 92976), (208, 89847), (234, 79864), (268, 69732), (298, 62712), (312, 59898), (402, 46488), (447, 41808), (468, 39932), (536, 34866), (596, 31356), (603, 30992), (624, 29949), (804, 23244), (871, 21456), (894, 20904), (936, 19966), (1072, 17433), (1192, 15678), (1206, 15496), (1341, 13936), (1608, 11622), (1742, 10728), (1788, 10452), (1872, 9983), (1937, 9648), (2384, 7839), (2412, 7748), (2613, 7152), (2682, 6968), (3216, 5811), (3484, 5364), (3576, 5226), (3874, 4824)]