19223120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{34327}}^1$

素因数の和:34347

約数の個数: 40

約数和(自身を含む): 51080064

約数和(自身を除く): 31856944

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 34327, 68654, 137308, 171635, 240289, 274616, 343270, 480578, 549232, 686540, 961156, 1201445, 1373080, 1922312, 2402890, 2746160, 3844624, 4805780, 9611560, 19223120]

約数ペア:

[(1, 19223120), (2, 9611560), (4, 4805780), (5, 3844624), (7, 2746160), (8, 2402890), (10, 1922312), (14, 1373080), (16, 1201445), (20, 961156), (28, 686540), (35, 549232), (40, 480578), (56, 343270), (70, 274616), (80, 240289), (112, 171635), (140, 137308), (280, 68654), (560, 34327)]