19269920

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4153}}^1$

素因数の和:4197

約数の個数: 48

約数和(自身を含む): 47106360

約数和(自身を除く): 27836440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 464, 580, 928, 1160, 2320, 4153, 4640, 8306, 16612, 20765, 33224, 41530, 66448, 83060, 120437, 132896, 166120, 240874, 332240, 481748, 602185, 664480, 963496, 1204370, 1926992, 2408740, 3853984, 4817480, 9634960, 19269920]

約数ペア:

[(1, 19269920), (2, 9634960), (4, 4817480), (5, 3853984), (8, 2408740), (10, 1926992), (16, 1204370), (20, 963496), (29, 664480), (32, 602185), (40, 481748), (58, 332240), (80, 240874), (116, 166120), (145, 132896), (160, 120437), (232, 83060), (290, 66448), (464, 41530), (580, 33224), (928, 20765), (1160, 16612), (2320, 8306), (4153, 4640)]