18729325

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{347}}^1$

素因数の和:501

約数の個数: 24

約数和(自身を含む): 24855552

約数和(自身を除く): 6126227

約数列:

[1, 5, 17, 25, 85, 127, 347, 425, 635, 1735, 2159, 3175, 5899, 8675, 10795, 29495, 44069, 53975, 147475, 220345, 749173, 1101725, 3745865, 18729325]

約数ペア:

[(1, 18729325), (5, 3745865), (17, 1101725), (25, 749173), (85, 220345), (127, 147475), (347, 53975), (425, 44069), (635, 29495), (1735, 10795), (2159, 8675), (3175, 5899)]