19942656

素因数分解:

$2^8\times 3^1\times {\mathrm{23}}^1\times {\mathrm{1129}}^1$

素因数の和:1171

約数の個数: 72

約数和(自身を含む): 55433280

約数和(自身を除く): 35490624

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 64, 69, 92, 96, 128, 138, 184, 192, 256, 276, 368, 384, 552, 736, 768, 1104, 1129, 1472, 2208, 2258, 2944, 3387, 4416, 4516, 5888, 6774, 8832, 9032, 13548, 17664, 18064, 25967, 27096, 36128, 51934, 54192, 72256, 77901, 103868, 108384, 144512, 155802, 207736, 216768, 289024, 311604, 415472, 433536, 623208, 830944, 867072, 1246416, 1661888, 2492832, 3323776, 4985664, 6647552, 9971328, 19942656]

約数ペア:

[(1, 19942656), (2, 9971328), (3, 6647552), (4, 4985664), (6, 3323776), (8, 2492832), (12, 1661888), (16, 1246416), (23, 867072), (24, 830944), (32, 623208), (46, 433536), (48, 415472), (64, 311604), (69, 289024), (92, 216768), (96, 207736), (128, 155802), (138, 144512), (184, 108384), (192, 103868), (256, 77901), (276, 72256), (368, 54192), (384, 51934), (552, 36128), (736, 27096), (768, 25967), (1104, 18064), (1129, 17664), (1472, 13548), (2208, 9032), (2258, 8832), (2944, 6774), (3387, 5888), (4416, 4516)]