17813744

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{85643}}^1$

素因数の和:85664

約数の個数: 20

約数和(自身を含む): 37169496

約数和(自身を除く): 19355752

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 85643, 171286, 342572, 685144, 1113359, 1370288, 2226718, 4453436, 8906872, 17813744]

約数ペア:

[(1, 17813744), (2, 8906872), (4, 4453436), (8, 2226718), (13, 1370288), (16, 1113359), (26, 685144), (52, 342572), (104, 171286), (208, 85643)]