19943740

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{26951}}^1$

素因数の和:26997

約数の個数: 24

約数和(自身を含む): 43015392

約数和(自身を除く): 23071652

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 26951, 53902, 107804, 134755, 269510, 539020, 997187, 1994374, 3988748, 4985935, 9971870, 19943740]

約数ペア:

[(1, 19943740), (2, 9971870), (4, 4985935), (5, 3988748), (10, 1994374), (20, 997187), (37, 539020), (74, 269510), (148, 134755), (185, 107804), (370, 53902), (740, 26951)]