16889392

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{81199}}^1$

素因数の和:81220

約数の個数: 20

約数和(自身を含む): 35240800

約数和(自身を除く): 18351408

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 81199, 162398, 324796, 649592, 1055587, 1299184, 2111174, 4222348, 8444696, 16889392]

約数ペア:

[(1, 16889392), (2, 8444696), (4, 4222348), (8, 2111174), (13, 1299184), (16, 1055587), (26, 649592), (52, 324796), (104, 162398), (208, 81199)]