17891240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19447}}^1$

素因数の和:19481

約数の個数: 32

約数和(自身を含む): 42007680

約数和(自身を除く): 24116440

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 19447, 38894, 77788, 97235, 155576, 194470, 388940, 447281, 777880, 894562, 1789124, 2236405, 3578248, 4472810, 8945620, 17891240]

約数ペア:

[(1, 17891240), (2, 8945620), (4, 4472810), (5, 3578248), (8, 2236405), (10, 1789124), (20, 894562), (23, 777880), (40, 447281), (46, 388940), (92, 194470), (115, 155576), (184, 97235), (230, 77788), (460, 38894), (920, 19447)]