19000850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{193}}^1$

素因数の和:395

約数の個数: 48

約数和(自身を含む): 38970720

約数和(自身を除く): 19969870

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 179, 193, 275, 358, 386, 550, 895, 965, 1790, 1930, 1969, 2123, 3938, 4246, 4475, 4825, 8950, 9650, 9845, 10615, 19690, 21230, 34547, 49225, 53075, 69094, 98450, 106150, 172735, 345470, 380017, 760034, 863675, 1727350, 1900085, 3800170, 9500425, 19000850]

約数ペア:

[(1, 19000850), (2, 9500425), (5, 3800170), (10, 1900085), (11, 1727350), (22, 863675), (25, 760034), (50, 380017), (55, 345470), (110, 172735), (179, 106150), (193, 98450), (275, 69094), (358, 53075), (386, 49225), (550, 34547), (895, 21230), (965, 19690), (1790, 10615), (1930, 9845), (1969, 9650), (2123, 8950), (3938, 4825), (4246, 4475)]