12721788

素因数分解:

$2^2\times 3^2\times {\mathrm{193}}^1\times {\mathrm{1831}}^1$

素因数の和:2034

約数の個数: 36

約数和(自身を含む): 32342128

約数和(自身を除く): 19620340

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 193, 386, 579, 772, 1158, 1737, 1831, 2316, 3474, 3662, 5493, 6948, 7324, 10986, 16479, 21972, 32958, 65916, 353383, 706766, 1060149, 1413532, 2120298, 3180447, 4240596, 6360894, 12721788]

約数ペア:

[(1, 12721788), (2, 6360894), (3, 4240596), (4, 3180447), (6, 2120298), (9, 1413532), (12, 1060149), (18, 706766), (36, 353383), (193, 65916), (386, 32958), (579, 21972), (772, 16479), (1158, 10986), (1737, 7324), (1831, 6948), (2316, 5493), (3474, 3662)]