18458768

素因数分解:

$2^4\times {\mathrm{67}}^2\times {\mathrm{257}}^1$

素因数の和:399

約数の個数: 30

約数和(自身を含む): 36446886

約数和(自身を除く): 17988118

約数列:

[1, 2, 4, 8, 16, 67, 134, 257, 268, 514, 536, 1028, 1072, 2056, 4112, 4489, 8978, 17219, 17956, 34438, 35912, 68876, 71824, 137752, 275504, 1153673, 2307346, 4614692, 9229384, 18458768]

約数ペア:

[(1, 18458768), (2, 9229384), (4, 4614692), (8, 2307346), (16, 1153673), (67, 275504), (134, 137752), (257, 71824), (268, 68876), (514, 35912), (536, 34438), (1028, 17956), (1072, 17219), (2056, 8978), (4112, 4489)]