18508717456

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{60883939}}^1$

素因数の和:60883966

約数の個数: 20

約数和(自身を含む): 37748042800

約数和(自身を除く): 19239325344

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 60883939, 121767878, 243535756, 487071512, 974143024, 1156794841, 2313589682, 4627179364, 9254358728, 18508717456]

約数ペア:

[(1, 18508717456), (2, 9254358728), (4, 4627179364), (8, 2313589682), (16, 1156794841), (19, 974143024), (38, 487071512), (76, 243535756), (152, 121767878), (304, 60883939)]