19796810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{16361}}^1$

素因数の和:16390

約数の個数: 24

約数和(自身を含む): 39170628

約数和(自身を除く): 19373818

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 16361, 32722, 81805, 163610, 179971, 359942, 899855, 1799710, 1979681, 3959362, 9898405, 19796810]

約数ペア:

[(1, 19796810), (2, 9898405), (5, 3959362), (10, 1979681), (11, 1799710), (22, 899855), (55, 359942), (110, 179971), (121, 163610), (242, 81805), (605, 32722), (1210, 16361)]