18781283577

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{683}}^1\times {\mathrm{12713}}^1$

素因数の和:13509

約数の個数: 32

約数和(自身を含む): 28941539328

約数和(自身を除く): 10160255751

約数列:

[1, 3, 7, 21, 103, 309, 683, 721, 2049, 2163, 4781, 12713, 14343, 38139, 70349, 88991, 211047, 266973, 492443, 1309439, 1477329, 3928317, 8682979, 9166073, 26048937, 27498219, 60780853, 182342559, 894346837, 2683040511, 6260427859, 18781283577]

約数ペア:

[(1, 18781283577), (3, 6260427859), (7, 2683040511), (21, 894346837), (103, 182342559), (309, 60780853), (683, 27498219), (721, 26048937), (2049, 9166073), (2163, 8682979), (4781, 3928317), (12713, 1477329), (14343, 1309439), (38139, 492443), (70349, 266973), (88991, 211047)]