18566288

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89261}}^1$

素因数の和:89282

約数の個数: 20

約数和(自身を含む): 38739708

約数和(自身を除く): 20173420

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 89261, 178522, 357044, 714088, 1160393, 1428176, 2320786, 4641572, 9283144, 18566288]

約数ペア:

[(1, 18566288), (2, 9283144), (4, 4641572), (8, 2320786), (13, 1428176), (16, 1160393), (26, 714088), (52, 357044), (104, 178522), (208, 89261)]