16918940

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{6661}}^1$

素因数の和:6797

約数の個数: 24

約数和(自身を含む): 35814912

約数和(自身を除く): 18895972

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 6661, 13322, 26644, 33305, 66610, 133220, 845947, 1691894, 3383788, 4229735, 8459470, 16918940]

約数ペア:

[(1, 16918940), (2, 8459470), (4, 4229735), (5, 3383788), (10, 1691894), (20, 845947), (127, 133220), (254, 66610), (508, 33305), (635, 26644), (1270, 13322), (2540, 6661)]