19012889

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2137}}^1$

素因数の和:2216

約数の個数: 16

約数和(自身を含む): 22987776

約数和(自身を除く): 3974887

約数列:

[1, 7, 31, 41, 217, 287, 1271, 2137, 8897, 14959, 66247, 87617, 463729, 613319, 2716127, 19012889]

約数ペア:

[(1, 19012889), (7, 2716127), (31, 613319), (41, 463729), (217, 87617), (287, 66247), (1271, 14959), (2137, 8897)]