18164135

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1$

素因数の和:295

約数の個数: 32

約数和(自身を含む): 25256448

約数和(自身を除く): 7092313

約数列:

[1, 5, 11, 23, 55, 83, 115, 173, 253, 415, 865, 913, 1265, 1903, 1909, 3979, 4565, 9515, 9545, 14359, 19895, 20999, 43769, 71795, 104995, 157949, 218845, 330257, 789745, 1651285, 3632827, 18164135]

約数ペア:

[(1, 18164135), (5, 3632827), (11, 1651285), (23, 789745), (55, 330257), (83, 218845), (115, 157949), (173, 104995), (253, 71795), (415, 43769), (865, 20999), (913, 19895), (1265, 14359), (1903, 9545), (1909, 9515), (3979, 4565)]