19831406

素因数分解:

$2^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{2203}}^1$

素因数の和:2855

約数の個数: 16

約数和(自身を含む): 34065024

約数和(自身を除く): 14233618

約数列:

[1, 2, 7, 14, 643, 1286, 2203, 4406, 4501, 9002, 15421, 30842, 1416529, 2833058, 9915703, 19831406]

約数ペア:

[(1, 19831406), (2, 9915703), (7, 2833058), (14, 1416529), (643, 30842), (1286, 15421), (2203, 9002), (4406, 4501)]