18538850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{911}}^1$

素因数の和:971

約数の個数: 48

約数和(自身を含む): 38676096

約数和(自身を除く): 20137246

約数列:

[1, 2, 5, 10, 11, 22, 25, 37, 50, 55, 74, 110, 185, 275, 370, 407, 550, 814, 911, 925, 1822, 1850, 2035, 4070, 4555, 9110, 10021, 10175, 20042, 20350, 22775, 33707, 45550, 50105, 67414, 100210, 168535, 250525, 337070, 370777, 501050, 741554, 842675, 1685350, 1853885, 3707770, 9269425, 18538850]

約数ペア:

[(1, 18538850), (2, 9269425), (5, 3707770), (10, 1853885), (11, 1685350), (22, 842675), (25, 741554), (37, 501050), (50, 370777), (55, 337070), (74, 250525), (110, 168535), (185, 100210), (275, 67414), (370, 50105), (407, 45550), (550, 33707), (814, 22775), (911, 20350), (925, 20042), (1822, 10175), (1850, 10021), (2035, 9110), (4070, 4555)]