19954690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{3203}}^1$

素因数の和:3306

約数の個数: 32

約数和(自身を含む): 41523840

約数和(自身を除く): 21569150

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 89, 178, 445, 623, 890, 1246, 3115, 3203, 6230, 6406, 16015, 22421, 32030, 44842, 112105, 224210, 285067, 570134, 1425335, 1995469, 2850670, 3990938, 9977345, 19954690]

約数ペア:

[(1, 19954690), (2, 9977345), (5, 3990938), (7, 2850670), (10, 1995469), (14, 1425335), (35, 570134), (70, 285067), (89, 224210), (178, 112105), (445, 44842), (623, 32030), (890, 22421), (1246, 16015), (3115, 6406), (3203, 6230)]