19747208

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{189877}}^1$

素因数の和:189896

約数の個数: 16

約数和(自身を含む): 39874380

約数和(自身を除く): 20127172

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 189877, 379754, 759508, 1519016, 2468401, 4936802, 9873604, 19747208]

約数ペア:

[(1, 19747208), (2, 9873604), (4, 4936802), (8, 2468401), (13, 1519016), (26, 759508), (52, 379754), (104, 189877)]