18064016

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{257}}^1$

素因数の和:479

約数の個数: 40

約数和(自身を含む): 36854784

約数和(自身を除く): 18790768

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 191, 257, 368, 382, 514, 764, 1028, 1528, 2056, 3056, 4112, 4393, 5911, 8786, 11822, 17572, 23644, 35144, 47288, 49087, 70288, 94576, 98174, 196348, 392696, 785392, 1129001, 2258002, 4516004, 9032008, 18064016]

約数ペア:

[(1, 18064016), (2, 9032008), (4, 4516004), (8, 2258002), (16, 1129001), (23, 785392), (46, 392696), (92, 196348), (184, 98174), (191, 94576), (257, 70288), (368, 49087), (382, 47288), (514, 35144), (764, 23644), (1028, 17572), (1528, 11822), (2056, 8786), (3056, 5911), (4112, 4393)]