19870275

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{11519}}^1$

素因数の和:11555

約数の個数: 24

約数和(自身を含む): 34283520

約数和(自身を除く): 14413245

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 345, 575, 1725, 11519, 34557, 57595, 172785, 264937, 287975, 794811, 863925, 1324685, 3974055, 6623425, 19870275]

約数ペア:

[(1, 19870275), (3, 6623425), (5, 3974055), (15, 1324685), (23, 863925), (25, 794811), (69, 287975), (75, 264937), (115, 172785), (345, 57595), (575, 34557), (1725, 11519)]