19712976752

素因数分解:

$2^4\times 7^2\times {\mathrm{83}}^1\times {\mathrm{302941}}^1$

素因数の和:303046

約数の個数: 60

約数和(自身を含む): 44965075176

約数和(自身を除く): 25252098424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 83, 98, 112, 166, 196, 332, 392, 581, 664, 784, 1162, 1328, 2324, 4067, 4648, 8134, 9296, 16268, 32536, 65072, 302941, 605882, 1211764, 2120587, 2423528, 4241174, 4847056, 8482348, 14844109, 16964696, 25144103, 29688218, 33929392, 50288206, 59376436, 100576412, 118752872, 176008721, 201152824, 237505744, 352017442, 402305648, 704034884, 1232061047, 1408069768, 2464122094, 2816139536, 4928244188, 9856488376, 19712976752]

約数ペア:

[(1, 19712976752), (2, 9856488376), (4, 4928244188), (7, 2816139536), (8, 2464122094), (14, 1408069768), (16, 1232061047), (28, 704034884), (49, 402305648), (56, 352017442), (83, 237505744), (98, 201152824), (112, 176008721), (166, 118752872), (196, 100576412), (332, 59376436), (392, 50288206), (581, 33929392), (664, 29688218), (784, 25144103), (1162, 16964696), (1328, 14844109), (2324, 8482348), (4067, 4847056), (4648, 4241174), (8134, 2423528), (9296, 2120587), (16268, 1211764), (32536, 605882), (65072, 302941)]