19225171

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2777}}^1$

素因数の和:2850

約数の個数: 16

約数和(自身を含む): 23468544

約数和(自身を除く): 4243373

約数列:

[1, 7, 23, 43, 161, 301, 989, 2777, 6923, 19439, 63871, 119411, 447097, 835877, 2746453, 19225171]

約数ペア:

[(1, 19225171), (7, 2746453), (23, 835877), (43, 447097), (161, 119411), (301, 63871), (989, 19439), (2777, 6923)]