19486556

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{509}}^1\times {\mathrm{563}}^1$

素因数の和:1093

約数の個数: 24

約数和(自身を含む): 36242640

約数和(自身を除く): 16756084

約数列:

[1, 2, 4, 17, 34, 68, 509, 563, 1018, 1126, 2036, 2252, 8653, 9571, 17306, 19142, 34612, 38284, 286567, 573134, 1146268, 4871639, 9743278, 19486556]

約数ペア:

[(1, 19486556), (2, 9743278), (4, 4871639), (17, 1146268), (34, 573134), (68, 286567), (509, 38284), (563, 34612), (1018, 19142), (1126, 17306), (2036, 9571), (2252, 8653)]