19903774

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{7477}}^1$

素因数の和:7512

約数の個数: 16

約数和(自身を含む): 32843376

約数和(自身を除く): 12939602

約数列:

[1, 2, 11, 22, 121, 242, 1331, 2662, 7477, 14954, 82247, 164494, 904717, 1809434, 9951887, 19903774]

約数ペア:

[(1, 19903774), (2, 9951887), (11, 1809434), (22, 904717), (121, 164494), (242, 82247), (1331, 14954), (2662, 7477)]