19287664

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{109589}}^1$

素因数の和:109608

約数の個数: 20

約数和(自身を含む): 40767480

約数和(自身を除く): 21479816

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 109589, 219178, 438356, 876712, 1205479, 1753424, 2410958, 4821916, 9643832, 19287664]

約数ペア:

[(1, 19287664), (2, 9643832), (4, 4821916), (8, 2410958), (11, 1753424), (16, 1205479), (22, 876712), (44, 438356), (88, 219178), (176, 109589)]