18211520

素因数分解:

$2^6\times 5^1\times {\mathrm{56911}}^1$

素因数の和:56928

約数の個数: 28

約数和(自身を含む): 43366944

約数和(自身を除く): 25155424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 56911, 113822, 227644, 284555, 455288, 569110, 910576, 1138220, 1821152, 2276440, 3642304, 4552880, 9105760, 18211520]

約数ペア:

[(1, 18211520), (2, 9105760), (4, 4552880), (5, 3642304), (8, 2276440), (10, 1821152), (16, 1138220), (20, 910576), (32, 569110), (40, 455288), (64, 284555), (80, 227644), (160, 113822), (320, 56911)]