18413800

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{4003}}^1$

素因数の和:4042

約数の個数: 48

約数和(自身を含む): 44684640

約数和(自身を除く): 26270840

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 100, 115, 184, 200, 230, 460, 575, 920, 1150, 2300, 4003, 4600, 8006, 16012, 20015, 32024, 40030, 80060, 92069, 100075, 160120, 184138, 200150, 368276, 400300, 460345, 736552, 800600, 920690, 1841380, 2301725, 3682760, 4603450, 9206900, 18413800]

約数ペア:

[(1, 18413800), (2, 9206900), (4, 4603450), (5, 3682760), (8, 2301725), (10, 1841380), (20, 920690), (23, 800600), (25, 736552), (40, 460345), (46, 400300), (50, 368276), (92, 200150), (100, 184138), (115, 160120), (184, 100075), (200, 92069), (230, 80060), (460, 40030), (575, 32024), (920, 20015), (1150, 16012), (2300, 8006), (4003, 4600)]