16819504

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{80863}}^1$

素因数の和:80884

約数の個数: 20

約数和(自身を含む): 35094976

約数和(自身を除く): 18275472

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 80863, 161726, 323452, 646904, 1051219, 1293808, 2102438, 4204876, 8409752, 16819504]

約数ペア:

[(1, 16819504), (2, 8409752), (4, 4204876), (8, 2102438), (13, 1293808), (16, 1051219), (26, 646904), (52, 323452), (104, 161726), (208, 80863)]