16953872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{81509}}^1$

素因数の和:81530

約数の個数: 20

約数和(自身を含む): 35375340

約数和(自身を除く): 18421468

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 81509, 163018, 326036, 652072, 1059617, 1304144, 2119234, 4238468, 8476936, 16953872]

約数ペア:

[(1, 16953872), (2, 8476936), (4, 4238468), (8, 2119234), (13, 1304144), (16, 1059617), (26, 652072), (52, 326036), (104, 163018), (208, 81509)]