19931667

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1801}}^1$

素因数の和:1859

約数の個数: 32

約数和(自身を含む): 33214464

約数和(自身を除く): 13282797

約数列:

[1, 3, 7, 17, 21, 31, 51, 93, 119, 217, 357, 527, 651, 1581, 1801, 3689, 5403, 11067, 12607, 30617, 37821, 55831, 91851, 167493, 214319, 390817, 642957, 949127, 1172451, 2847381, 6643889, 19931667]

約数ペア:

[(1, 19931667), (3, 6643889), (7, 2847381), (17, 1172451), (21, 949127), (31, 642957), (51, 390817), (93, 214319), (119, 167493), (217, 91851), (357, 55831), (527, 37821), (651, 30617), (1581, 12607), (1801, 11067), (3689, 5403)]