19873412

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{2531}}^1$

素因数の和:2699

約数の個数: 24

約数和(自身を含む): 37716672

約数和(自身を除く): 17843260

約数列:

[1, 2, 4, 13, 26, 52, 151, 302, 604, 1963, 2531, 3926, 5062, 7852, 10124, 32903, 65806, 131612, 382181, 764362, 1528724, 4968353, 9936706, 19873412]

約数ペア:

[(1, 19873412), (2, 9936706), (4, 4968353), (13, 1528724), (26, 764362), (52, 382181), (151, 131612), (302, 65806), (604, 32903), (1963, 10124), (2531, 7852), (3926, 5062)]