19130475

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2803}}^1$

素因数の和:2836

約数の個数: 48

約数和(自身を含む): 38941952

約数和(自身を除く): 19811477

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 65, 75, 91, 105, 175, 195, 273, 325, 455, 525, 975, 1365, 2275, 2803, 6825, 8409, 14015, 19621, 36439, 42045, 58863, 70075, 98105, 109317, 182195, 210225, 255073, 294315, 490525, 546585, 765219, 910975, 1275365, 1471575, 2732925, 3826095, 6376825, 19130475]

約数ペア:

[(1, 19130475), (3, 6376825), (5, 3826095), (7, 2732925), (13, 1471575), (15, 1275365), (21, 910975), (25, 765219), (35, 546585), (39, 490525), (65, 294315), (75, 255073), (91, 210225), (105, 182195), (175, 109317), (195, 98105), (273, 70075), (325, 58863), (455, 42045), (525, 36439), (975, 19621), (1365, 14015), (2275, 8409), (2803, 6825)]