19408599

素因数分解:

$3^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{997}}^1$

素因数の和:1116

約数の個数: 32

約数和(自身を含む): 33213440

約数和(自身を除く): 13804841

約数列:

[1, 3, 7, 9, 21, 27, 63, 103, 189, 309, 721, 927, 997, 2163, 2781, 2991, 6489, 6979, 8973, 19467, 20937, 26919, 62811, 102691, 188433, 308073, 718837, 924219, 2156511, 2772657, 6469533, 19408599]

約数ペア:

[(1, 19408599), (3, 6469533), (7, 2772657), (9, 2156511), (21, 924219), (27, 718837), (63, 308073), (103, 188433), (189, 102691), (309, 62811), (721, 26919), (927, 20937), (997, 19467), (2163, 8973), (2781, 6979), (2991, 6489)]