19115252

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{28277}}^1$

素因数の和:28307

約数の個数: 18

約数和(自身を含む): 36224118

約数和(自身を除く): 17108866

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 28277, 56554, 113108, 367601, 735202, 1470404, 4778813, 9557626, 19115252]

約数ペア:

[(1, 19115252), (2, 9557626), (4, 4778813), (13, 1470404), (26, 735202), (52, 367601), (169, 113108), (338, 56554), (676, 28277)]