19961870

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53951}}^1$

素因数の和:53995

約数の個数: 16

約数和(自身を含む): 36903168

約数和(自身を除く): 16941298

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 53951, 107902, 269755, 539510, 1996187, 3992374, 9980935, 19961870]

約数ペア:

[(1, 19961870), (2, 9980935), (5, 3992374), (10, 1996187), (37, 539510), (74, 269755), (185, 107902), (370, 53951)]