19054904

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{971}}^1$

素因数の和:1211

約数の個数: 32

約数和(自身を含む): 39191040

約数和(自身を除く): 20136136

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 223, 446, 892, 971, 1784, 1942, 2453, 3884, 4906, 7768, 9812, 10681, 19624, 21362, 42724, 85448, 216533, 433066, 866132, 1732264, 2381863, 4763726, 9527452, 19054904]

約数ペア:

[(1, 19054904), (2, 9527452), (4, 4763726), (8, 2381863), (11, 1732264), (22, 866132), (44, 433066), (88, 216533), (223, 85448), (446, 42724), (892, 21362), (971, 19624), (1784, 10681), (1942, 9812), (2453, 7768), (3884, 4906)]