18561328

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{61057}}^1$

素因数の和:61084

約数の個数: 20

約数和(自身を含む): 37855960

約数和(自身を除く): 19294632

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 61057, 122114, 244228, 488456, 976912, 1160083, 2320166, 4640332, 9280664, 18561328]

約数ペア:

[(1, 18561328), (2, 9280664), (4, 4640332), (8, 2320166), (16, 1160083), (19, 976912), (38, 488456), (76, 244228), (152, 122114), (304, 61057)]