18996435

素因数分解:

$3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3037}}^1$

素因数の和:3187

約数の個数: 24

約数和(自身を含む): 33174960

約数和(自身を除く): 14178525

約数列:

[1, 3, 5, 9, 15, 45, 139, 417, 695, 1251, 2085, 3037, 6255, 9111, 15185, 27333, 45555, 136665, 422143, 1266429, 2110715, 3799287, 6332145, 18996435]

約数ペア:

[(1, 18996435), (3, 6332145), (5, 3799287), (9, 2110715), (15, 1266429), (45, 422143), (139, 136665), (417, 45555), (695, 27333), (1251, 15185), (2085, 9111), (3037, 6255)]