18420039

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4327}}^1$

素因数の和:4387

約数の個数: 24

約数和(自身を含む): 29707392

約数和(自身を除く): 11287353

約数列:

[1, 3, 9, 11, 33, 43, 99, 129, 387, 473, 1419, 4257, 4327, 12981, 38943, 47597, 142791, 186061, 428373, 558183, 1674549, 2046671, 6140013, 18420039]

約数ペア:

[(1, 18420039), (3, 6140013), (9, 2046671), (11, 1674549), (33, 558183), (43, 428373), (99, 186061), (129, 142791), (387, 47597), (473, 38943), (1419, 12981), (4257, 4327)]