18721232

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{61583}}^1$

素因数の和:61610

約数の個数: 20

約数和(自身を含む): 38182080

約数和(自身を除く): 19460848

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 61583, 123166, 246332, 492664, 985328, 1170077, 2340154, 4680308, 9360616, 18721232]

約数ペア:

[(1, 18721232), (2, 9360616), (4, 4680308), (8, 2340154), (16, 1170077), (19, 985328), (38, 492664), (76, 246332), (152, 123166), (304, 61583)]