18442528

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1031}}^1$

素因数の和:1097

約数の個数: 48

約数和(自身を含む): 40049856

約数和(自身を除く): 21607328

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 86, 104, 172, 208, 344, 416, 559, 688, 1031, 1118, 1376, 2062, 2236, 4124, 4472, 8248, 8944, 13403, 16496, 17888, 26806, 32992, 44333, 53612, 88666, 107224, 177332, 214448, 354664, 428896, 576329, 709328, 1152658, 1418656, 2305316, 4610632, 9221264, 18442528]

約数ペア:

[(1, 18442528), (2, 9221264), (4, 4610632), (8, 2305316), (13, 1418656), (16, 1152658), (26, 709328), (32, 576329), (43, 428896), (52, 354664), (86, 214448), (104, 177332), (172, 107224), (208, 88666), (344, 53612), (416, 44333), (559, 32992), (688, 26806), (1031, 17888), (1118, 16496), (1376, 13403), (2062, 8944), (2236, 8248), (4124, 4472)]