18047315

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{587}}^1$

素因数の和:659

約数の個数: 32

約数和(自身を含む): 26078976

約数和(自身を除く): 8031661

約数列:

[1, 5, 11, 13, 43, 55, 65, 143, 215, 473, 559, 587, 715, 2365, 2795, 2935, 6149, 6457, 7631, 25241, 30745, 32285, 38155, 83941, 126205, 277651, 328133, 419705, 1388255, 1640665, 3609463, 18047315]

約数ペア:

[(1, 18047315), (5, 3609463), (11, 1640665), (13, 1388255), (43, 419705), (55, 328133), (65, 277651), (143, 126205), (215, 83941), (473, 38155), (559, 32285), (587, 30745), (715, 25241), (2365, 7631), (2795, 6457), (2935, 6149)]