19210960

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{5857}}^1$

素因数の和:5911

約数の個数: 40

約数和(自身を含む): 45762696

約数和(自身を除く): 26551736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 5857, 11714, 23428, 29285, 46856, 58570, 93712, 117140, 234280, 240137, 468560, 480274, 960548, 1200685, 1921096, 2401370, 3842192, 4802740, 9605480, 19210960]

約数ペア:

[(1, 19210960), (2, 9605480), (4, 4802740), (5, 3842192), (8, 2401370), (10, 1921096), (16, 1200685), (20, 960548), (40, 480274), (41, 468560), (80, 240137), (82, 234280), (164, 117140), (205, 93712), (328, 58570), (410, 46856), (656, 29285), (820, 23428), (1640, 11714), (3280, 5857)]