16619408

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{79901}}^1$

素因数の和:79922

約数の個数: 20

約数和(自身を含む): 34677468

約数和(自身を除く): 18058060

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 79901, 159802, 319604, 639208, 1038713, 1278416, 2077426, 4154852, 8309704, 16619408]

約数ペア:

[(1, 16619408), (2, 8309704), (4, 4154852), (8, 2077426), (13, 1278416), (16, 1038713), (26, 639208), (52, 319604), (104, 159802), (208, 79901)]