19738179

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{359}}^1$

素因数の和:555

約数の個数: 24

約数和(自身を含む): 29484000

約数和(自身を除く): 9745821

約数列:

[1, 3, 9, 41, 123, 149, 359, 369, 447, 1077, 1341, 3231, 6109, 14719, 18327, 44157, 53491, 54981, 132471, 160473, 481419, 2193131, 6579393, 19738179]

約数ペア:

[(1, 19738179), (3, 6579393), (9, 2193131), (41, 481419), (123, 160473), (149, 132471), (359, 54981), (369, 53491), (447, 44157), (1077, 18327), (1341, 14719), (3231, 6109)]