19880368

素因数分解:

$2^4\times {\mathrm{797}}^1\times {\mathrm{1559}}^1$

素因数の和:2364

約数の個数: 20

約数和(自身を含む): 38591280

約数和(自身を除く): 18710912

約数列:

[1, 2, 4, 8, 16, 797, 1559, 1594, 3118, 3188, 6236, 6376, 12472, 12752, 24944, 1242523, 2485046, 4970092, 9940184, 19880368]

約数ペア:

[(1, 19880368), (2, 9940184), (4, 4970092), (8, 2485046), (16, 1242523), (797, 24944), (1559, 12752), (1594, 12472), (3118, 6376), (3188, 6236)]