1866605

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^2$

素因数の和:125

約数の個数: 18

約数和(自身を含む): 2478186

約数和(自身を除く): 611581

約数列:

[1, 5, 13, 47, 65, 169, 235, 611, 845, 2209, 3055, 7943, 11045, 28717, 39715, 143585, 373321, 1866605]

約数ペア:

[(1, 1866605), (5, 373321), (13, 143585), (47, 39715), (65, 28717), (169, 11045), (235, 7943), (611, 3055), (845, 2209)]