19166992

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2143}}^1$

素因数の和:2207

約数の個数: 40

約数和(自身を含む): 40941824

約数和(自身を除く): 21774832

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2143, 2236, 4286, 4472, 8572, 8944, 17144, 27859, 34288, 55718, 92149, 111436, 184298, 222872, 368596, 445744, 737192, 1197937, 1474384, 2395874, 4791748, 9583496, 19166992]

約数ペア:

[(1, 19166992), (2, 9583496), (4, 4791748), (8, 2395874), (13, 1474384), (16, 1197937), (26, 737192), (43, 445744), (52, 368596), (86, 222872), (104, 184298), (172, 111436), (208, 92149), (344, 55718), (559, 34288), (688, 27859), (1118, 17144), (2143, 8944), (2236, 8572), (4286, 4472)]