19815346

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{2237}}^1$

素因数の和:2385

約数の個数: 16

約数和(自身を含む): 30723264

約数和(自身を除く): 10907918

約数列:

[1, 2, 43, 86, 103, 206, 2237, 4429, 4474, 8858, 96191, 192382, 230411, 460822, 9907673, 19815346]

約数ペア:

[(1, 19815346), (2, 9907673), (43, 460822), (86, 230411), (103, 192382), (206, 96191), (2237, 8858), (4429, 4474)]