19774328

素因数分解:

$2^3\times 7^1\times {\mathrm{271}}^1\times {\mathrm{1303}}^1$

素因数の和:1587

約数の個数: 32

約数和(自身を含む): 42562560

約数和(自身を除く): 22788232

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 271, 542, 1084, 1303, 1897, 2168, 2606, 3794, 5212, 7588, 9121, 10424, 15176, 18242, 36484, 72968, 353113, 706226, 1412452, 2471791, 2824904, 4943582, 9887164, 19774328]

約数ペア:

[(1, 19774328), (2, 9887164), (4, 4943582), (7, 2824904), (8, 2471791), (14, 1412452), (28, 706226), (56, 353113), (271, 72968), (542, 36484), (1084, 18242), (1303, 15176), (1897, 10424), (2168, 9121), (2606, 7588), (3794, 5212)]