19211900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{8353}}^1$

素因数の和:8390

約数の個数: 36

約数和(自身を含む): 43507632

約数和(自身を除く): 24295732

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 230, 460, 575, 1150, 2300, 8353, 16706, 33412, 41765, 83530, 167060, 192119, 208825, 384238, 417650, 768476, 835300, 960595, 1921190, 3842380, 4802975, 9605950, 19211900]

約数ペア:

[(1, 19211900), (2, 9605950), (4, 4802975), (5, 3842380), (10, 1921190), (20, 960595), (23, 835300), (25, 768476), (46, 417650), (50, 384238), (92, 208825), (100, 192119), (115, 167060), (230, 83530), (460, 41765), (575, 33412), (1150, 16706), (2300, 8353)]