19728384

素因数分解:

$2^{11}\times 3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1$

素因数の和:70

約数の個数: 144

約数和(自身を含む): 59950800

約数和(自身を除く): 40222416

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 32, 38, 39, 48, 52, 57, 64, 76, 78, 96, 104, 114, 128, 152, 156, 169, 192, 208, 228, 247, 256, 304, 312, 338, 384, 416, 456, 494, 507, 512, 608, 624, 676, 741, 768, 832, 912, 988, 1014, 1024, 1216, 1248, 1352, 1482, 1536, 1664, 1824, 1976, 2028, 2048, 2432, 2496, 2704, 2964, 3072, 3211, 3328, 3648, 3952, 4056, 4864, 4992, 5408, 5928, 6144, 6422, 6656, 7296, 7904, 8112, 9633, 9728, 9984, 10816, 11856, 12844, 13312, 14592, 15808, 16224, 19266, 19456, 19968, 21632, 23712, 25688, 26624, 29184, 31616, 32448, 38532, 38912, 39936, 43264, 47424, 51376, 58368, 63232, 64896, 77064, 79872, 86528, 94848, 102752, 116736, 126464, 129792, 154128, 173056, 189696, 205504, 252928, 259584, 308256, 346112, 379392, 411008, 505856, 519168, 616512, 758784, 822016, 1038336, 1233024, 1517568, 1644032, 2466048, 3288064, 4932096, 6576128, 9864192, 19728384]

約数ペア:

[(1, 19728384), (2, 9864192), (3, 6576128), (4, 4932096), (6, 3288064), (8, 2466048), (12, 1644032), (13, 1517568), (16, 1233024), (19, 1038336), (24, 822016), (26, 758784), (32, 616512), (38, 519168), (39, 505856), (48, 411008), (52, 379392), (57, 346112), (64, 308256), (76, 259584), (78, 252928), (96, 205504), (104, 189696), (114, 173056), (128, 154128), (152, 129792), (156, 126464), (169, 116736), (192, 102752), (208, 94848), (228, 86528), (247, 79872), (256, 77064), (304, 64896), (312, 63232), (338, 58368), (384, 51376), (416, 47424), (456, 43264), (494, 39936), (507, 38912), (512, 38532), (608, 32448), (624, 31616), (676, 29184), (741, 26624), (768, 25688), (832, 23712), (912, 21632), (988, 19968), (1014, 19456), (1024, 19266), (1216, 16224), (1248, 15808), (1352, 14592), (1482, 13312), (1536, 12844), (1664, 11856), (1824, 10816), (1976, 9984), (2028, 9728), (2048, 9633), (2432, 8112), (2496, 7904), (2704, 7296), (2964, 6656), (3072, 6422), (3211, 6144), (3328, 5928), (3648, 5408), (3952, 4992), (4056, 4864)]