18915676

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{2617}}^1$

素因数の和:2773

約数の個数: 24

約数和(自身を含む): 35918960

約数和(自身を除く): 17003284

約数列:

[1, 2, 4, 13, 26, 52, 139, 278, 556, 1807, 2617, 3614, 5234, 7228, 10468, 34021, 68042, 136084, 363763, 727526, 1455052, 4728919, 9457838, 18915676]

約数ペア:

[(1, 18915676), (2, 9457838), (4, 4728919), (13, 1455052), (26, 727526), (52, 363763), (139, 136084), (278, 68042), (556, 34021), (1807, 10468), (2617, 7228), (3614, 5234)]