19450521

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{499}}^1$

素因数の和:637

約数の個数: 24

約数和(自身を含む): 29016000

約数和(自身を除く): 9565479

約数列:

[1, 3, 9, 61, 71, 183, 213, 499, 549, 639, 1497, 4331, 4491, 12993, 30439, 35429, 38979, 91317, 106287, 273951, 318861, 2161169, 6483507, 19450521]

約数ペア:

[(1, 19450521), (3, 6483507), (9, 2161169), (61, 318861), (71, 273951), (183, 106287), (213, 91317), (499, 38979), (549, 35429), (639, 30439), (1497, 12993), (4331, 4491)]