19794148

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{40897}}^1$

素因数の和:40923

約数の個数: 18

約数和(自身を含む): 38076038

約数和(自身を除く): 18281890

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 40897, 81794, 163588, 449867, 899734, 1799468, 4948537, 9897074, 19794148]

約数ペア:

[(1, 19794148), (2, 9897074), (4, 4948537), (11, 1799468), (22, 899734), (44, 449867), (121, 163588), (242, 81794), (484, 40897)]