19772880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{82387}}^1$

素因数の和:82403

約数の個数: 40

約数和(自身を含む): 61296672

約数和(自身を除く): 41523792

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 82387, 164774, 247161, 329548, 411935, 494322, 659096, 823870, 988644, 1235805, 1318192, 1647740, 1977288, 2471610, 3295480, 3954576, 4943220, 6590960, 9886440, 19772880]

約数ペア:

[(1, 19772880), (2, 9886440), (3, 6590960), (4, 4943220), (5, 3954576), (6, 3295480), (8, 2471610), (10, 1977288), (12, 1647740), (15, 1318192), (16, 1235805), (20, 988644), (24, 823870), (30, 659096), (40, 494322), (48, 411935), (60, 329548), (80, 247161), (120, 164774), (240, 82387)]