19740731036680

素因数分解:

$2^3\times 5^1\times {\mathrm{493518275917}}^1$

素因数の和:493518275928

約数の個数: 16

約数和(自身を含む): 44416644832620

約数和(自身を除く): 24675913795940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 493518275917, 987036551834, 1974073103668, 2467591379585, 3948146207336, 4935182759170, 9870365518340, 19740731036680]

約数ペア:

[(1, 19740731036680), (2, 9870365518340), (4, 4935182759170), (5, 3948146207336), (8, 2467591379585), (10, 1974073103668), (20, 987036551834), (40, 493518275917)]