18992757

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53201}}^1$

素因数の和:53228

約数の個数: 16

約数和(自身を含む): 30644352

約数和(自身を除く): 11651595

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 53201, 159603, 372407, 904417, 1117221, 2713251, 6330919, 18992757]

約数ペア:

[(1, 18992757), (3, 6330919), (7, 2713251), (17, 1117221), (21, 904417), (51, 372407), (119, 159603), (357, 53201)]