19821676

素因数分解:

$2^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{4397}}^1$

素因数の和:4438

約数の個数: 36

約数和(自身を含む): 42115248

約数和(自身を除く): 22293572

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 161, 196, 322, 644, 1127, 2254, 4397, 4508, 8794, 17588, 30779, 61558, 101131, 123116, 202262, 215453, 404524, 430906, 707917, 861812, 1415834, 2831668, 4955419, 9910838, 19821676]

約数ペア:

[(1, 19821676), (2, 9910838), (4, 4955419), (7, 2831668), (14, 1415834), (23, 861812), (28, 707917), (46, 430906), (49, 404524), (92, 215453), (98, 202262), (161, 123116), (196, 101131), (322, 61558), (644, 30779), (1127, 17588), (2254, 8794), (4397, 4508)]