19963567

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{503}}^1$

素因数の和:630

約数の個数: 16

約数和(自身を含む): 22353408

約数和(自身を除く): 2389841

約数列:

[1, 13, 43, 71, 503, 559, 923, 3053, 6539, 21629, 35713, 39689, 281177, 464269, 1535659, 19963567]

約数ペア:

[(1, 19963567), (13, 1535659), (43, 464269), (71, 281177), (503, 39689), (559, 35713), (923, 21629), (3053, 6539)]