19863168

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1$

素因数の和:226

約数の個数: 128

約数和(自身を含む): 59633280

約数和(自身を除く): 39770112

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 23, 24, 26, 32, 39, 46, 48, 52, 64, 69, 78, 92, 96, 104, 128, 138, 156, 173, 184, 192, 208, 276, 299, 312, 346, 368, 384, 416, 519, 552, 598, 624, 692, 736, 832, 897, 1038, 1104, 1196, 1248, 1384, 1472, 1664, 1794, 2076, 2208, 2249, 2392, 2496, 2768, 2944, 3588, 3979, 4152, 4416, 4498, 4784, 4992, 5536, 6747, 7176, 7958, 8304, 8832, 8996, 9568, 11072, 11937, 13494, 14352, 15916, 16608, 17992, 19136, 22144, 23874, 26988, 28704, 31832, 33216, 35984, 38272, 47748, 51727, 53976, 57408, 63664, 66432, 71968, 95496, 103454, 107952, 114816, 127328, 143936, 155181, 190992, 206908, 215904, 254656, 287872, 310362, 381984, 413816, 431808, 509312, 620724, 763968, 827632, 863616, 1241448, 1527936, 1655264, 2482896, 3310528, 4965792, 6621056, 9931584, 19863168]

約数ペア:

[(1, 19863168), (2, 9931584), (3, 6621056), (4, 4965792), (6, 3310528), (8, 2482896), (12, 1655264), (13, 1527936), (16, 1241448), (23, 863616), (24, 827632), (26, 763968), (32, 620724), (39, 509312), (46, 431808), (48, 413816), (52, 381984), (64, 310362), (69, 287872), (78, 254656), (92, 215904), (96, 206908), (104, 190992), (128, 155181), (138, 143936), (156, 127328), (173, 114816), (184, 107952), (192, 103454), (208, 95496), (276, 71968), (299, 66432), (312, 63664), (346, 57408), (368, 53976), (384, 51727), (416, 47748), (519, 38272), (552, 35984), (598, 33216), (624, 31832), (692, 28704), (736, 26988), (832, 23874), (897, 22144), (1038, 19136), (1104, 17992), (1196, 16608), (1248, 15916), (1384, 14352), (1472, 13494), (1664, 11937), (1794, 11072), (2076, 9568), (2208, 8996), (2249, 8832), (2392, 8304), (2496, 7958), (2768, 7176), (2944, 6747), (3588, 5536), (3979, 4992), (4152, 4784), (4416, 4498)]