19989546

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{709}}^1$

素因数の和:878

約数の個数: 32

約数和(自身を含む): 41441280

約数和(自身を除く): 21451734

約数列:

[1, 2, 3, 6, 37, 74, 111, 127, 222, 254, 381, 709, 762, 1418, 2127, 4254, 4699, 9398, 14097, 26233, 28194, 52466, 78699, 90043, 157398, 180086, 270129, 540258, 3331591, 6663182, 9994773, 19989546]

約数ペア:

[(1, 19989546), (2, 9994773), (3, 6663182), (6, 3331591), (37, 540258), (74, 270129), (111, 180086), (127, 157398), (222, 90043), (254, 78699), (381, 52466), (709, 28194), (762, 26233), (1418, 14097), (2127, 9398), (4254, 4699)]