18921664

素因数分解:

$2^6\times {\mathrm{41}}^1\times {\mathrm{7211}}^1$

素因数の和:7264

約数の個数: 28

約数和(自身を含む): 38468808

約数和(自身を除く): 19547144

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 164, 328, 656, 1312, 2624, 7211, 14422, 28844, 57688, 115376, 230752, 295651, 461504, 591302, 1182604, 2365208, 4730416, 9460832, 18921664]

約数ペア:

[(1, 18921664), (2, 9460832), (4, 4730416), (8, 2365208), (16, 1182604), (32, 591302), (41, 461504), (64, 295651), (82, 230752), (164, 115376), (328, 57688), (656, 28844), (1312, 14422), (2624, 7211)]