18948176

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{91097}}^1$

素因数の和:91118

約数の個数: 20

約数和(自身を含む): 39536532

約数和(自身を除く): 20588356

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 91097, 182194, 364388, 728776, 1184261, 1457552, 2368522, 4737044, 9474088, 18948176]

約数ペア:

[(1, 18948176), (2, 9474088), (4, 4737044), (8, 2368522), (13, 1457552), (16, 1184261), (26, 728776), (52, 364388), (104, 182194), (208, 91097)]