19381306

素因数分解:

$2^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{2153}}^1$

素因数の和:2805

約数の個数: 16

約数和(自身を含む): 33292224

約数和(自身を除く): 13910918

約数列:

[1, 2, 7, 14, 643, 1286, 2153, 4306, 4501, 9002, 15071, 30142, 1384379, 2768758, 9690653, 19381306]

約数ペア:

[(1, 19381306), (2, 9690653), (7, 2768758), (14, 1384379), (643, 30142), (1286, 15071), (2153, 9002), (4306, 4501)]