19963804

素因数分解:

$2^2\times 7^1\times {\mathrm{263}}^1\times {\mathrm{2711}}^1$

素因数の和:2985

約数の個数: 24

約数和(自身を含む): 40094208

約数和(自身を除く): 20130404

約数列:

[1, 2, 4, 7, 14, 28, 263, 526, 1052, 1841, 2711, 3682, 5422, 7364, 10844, 18977, 37954, 75908, 712993, 1425986, 2851972, 4990951, 9981902, 19963804]

約数ペア:

[(1, 19963804), (2, 9981902), (4, 4990951), (7, 2851972), (14, 1425986), (28, 712993), (263, 75908), (526, 37954), (1052, 18977), (1841, 10844), (2711, 7364), (3682, 5422)]