19713489

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{337}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 29592576

約数和(自身を除く): 9879087

約数列:

[1, 3, 17, 31, 37, 51, 93, 111, 337, 527, 629, 1011, 1147, 1581, 1887, 3441, 5729, 10447, 12469, 17187, 19499, 31341, 37407, 58497, 177599, 211973, 386539, 532797, 635919, 1159617, 6571163, 19713489]

約数ペア:

[(1, 19713489), (3, 6571163), (17, 1159617), (31, 635919), (37, 532797), (51, 386539), (93, 211973), (111, 177599), (337, 58497), (527, 37407), (629, 31341), (1011, 19499), (1147, 17187), (1581, 12469), (1887, 10447), (3441, 5729)]