19958848

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:204

約数の個数: 112

約数和(自身を含む): 51206400

約数和(自身を除く): 31247552

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 23, 26, 28, 32, 46, 52, 56, 64, 91, 92, 104, 112, 149, 161, 182, 184, 208, 224, 298, 299, 322, 364, 368, 416, 448, 596, 598, 644, 728, 736, 832, 1043, 1192, 1196, 1288, 1456, 1472, 1937, 2086, 2093, 2384, 2392, 2576, 2912, 3427, 3874, 4172, 4186, 4768, 4784, 5152, 5824, 6854, 7748, 8344, 8372, 9536, 9568, 10304, 13559, 13708, 15496, 16688, 16744, 19136, 23989, 27118, 27416, 30992, 33376, 33488, 44551, 47978, 54236, 54832, 61984, 66752, 66976, 89102, 95956, 108472, 109664, 123968, 133952, 178204, 191912, 216944, 219328, 311857, 356408, 383824, 433888, 623714, 712816, 767648, 867776, 1247428, 1425632, 1535296, 2494856, 2851264, 4989712, 9979424, 19958848]

約数ペア:

[(1, 19958848), (2, 9979424), (4, 4989712), (7, 2851264), (8, 2494856), (13, 1535296), (14, 1425632), (16, 1247428), (23, 867776), (26, 767648), (28, 712816), (32, 623714), (46, 433888), (52, 383824), (56, 356408), (64, 311857), (91, 219328), (92, 216944), (104, 191912), (112, 178204), (149, 133952), (161, 123968), (182, 109664), (184, 108472), (208, 95956), (224, 89102), (298, 66976), (299, 66752), (322, 61984), (364, 54832), (368, 54236), (416, 47978), (448, 44551), (596, 33488), (598, 33376), (644, 30992), (728, 27416), (736, 27118), (832, 23989), (1043, 19136), (1192, 16744), (1196, 16688), (1288, 15496), (1456, 13708), (1472, 13559), (1937, 10304), (2086, 9568), (2093, 9536), (2384, 8372), (2392, 8344), (2576, 7748), (2912, 6854), (3427, 5824), (3874, 5152), (4172, 4784), (4186, 4768)]