18154448

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{87281}}^1$

素因数の和:87302

約数の個数: 20

約数和(自身を含む): 37880388

約数和(自身を除く): 19725940

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 87281, 174562, 349124, 698248, 1134653, 1396496, 2269306, 4538612, 9077224, 18154448]

約数ペア:

[(1, 18154448), (2, 9077224), (4, 4538612), (8, 2269306), (13, 1396496), (16, 1134653), (26, 698248), (52, 349124), (104, 174562), (208, 87281)]