30991774

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{74143}}^1$

素因数の和:74175

約数の個数: 16

約数和(自身を含む): 53383680

約数和(自身を除く): 22391906

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 74143, 148286, 815573, 1408717, 1631146, 2817434, 15495887, 30991774]

約数ペア:

[(1, 30991774), (2, 15495887), (11, 2817434), (19, 1631146), (22, 1408717), (38, 815573), (209, 148286), (418, 74143)]