19249640

素因数分解:

$2^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1789}}^1$

素因数の和:2069

約数の個数: 32

約数和(自身を含む): 43497000

約数和(自身を除く): 24247360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 269, 538, 1076, 1345, 1789, 2152, 2690, 3578, 5380, 7156, 8945, 10760, 14312, 17890, 35780, 71560, 481241, 962482, 1924964, 2406205, 3849928, 4812410, 9624820, 19249640]

約数ペア:

[(1, 19249640), (2, 9624820), (4, 4812410), (5, 3849928), (8, 2406205), (10, 1924964), (20, 962482), (40, 481241), (269, 71560), (538, 35780), (1076, 17890), (1345, 14312), (1789, 10760), (2152, 8945), (2690, 7156), (3578, 5380)]