18841460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{85643}}^1$

素因数の和:85663

約数の個数: 24

約数和(自身を含む): 43164576

約数和(自身を除く): 24323116

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 85643, 171286, 342572, 428215, 856430, 942073, 1712860, 1884146, 3768292, 4710365, 9420730, 18841460]

約数ペア:

[(1, 18841460), (2, 9420730), (4, 4710365), (5, 3768292), (10, 1884146), (11, 1712860), (20, 942073), (22, 856430), (44, 428215), (55, 342572), (110, 171286), (220, 85643)]