15780276

素因数分解:

$2^2\times 3^2\times {\mathrm{438341}}^1$

素因数の和:438351

約数の個数: 18

約数和(自身を含む): 39889122

約数和(自身を除く): 24108846

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 438341, 876682, 1315023, 1753364, 2630046, 3945069, 5260092, 7890138, 15780276]

約数ペア:

[(1, 15780276), (2, 7890138), (3, 5260092), (4, 3945069), (6, 2630046), (9, 1753364), (12, 1315023), (18, 876682), (36, 438341)]