19810538

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31051}}^1$

素因数の和:31093

約数の個数: 16

約数和(自身を含む): 33536160

約数和(自身を除く): 13725622

約数列:

[1, 2, 11, 22, 29, 58, 319, 638, 31051, 62102, 341561, 683122, 900479, 1800958, 9905269, 19810538]

約数ペア:

[(1, 19810538), (2, 9905269), (11, 1800958), (22, 900479), (29, 683122), (58, 341561), (319, 62102), (638, 31051)]