18236439988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{78439}}^1$

素因数の和:78736

約数の個数: 48

約数和(自身を含む): 36529194240

約数和(自身を除く): 18292754252

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 263, 442, 526, 884, 1052, 3419, 4471, 6838, 8942, 13676, 17884, 58123, 78439, 116246, 156878, 232492, 313756, 1019707, 1333463, 2039414, 2666926, 4078828, 5333852, 17335019, 20629457, 34670038, 41258914, 69340076, 82517828, 268182941, 350700769, 536365882, 701401538, 1072731764, 1402803076, 4559109997, 9118219994, 18236439988]

約数ペア:

[(1, 18236439988), (2, 9118219994), (4, 4559109997), (13, 1402803076), (17, 1072731764), (26, 701401538), (34, 536365882), (52, 350700769), (68, 268182941), (221, 82517828), (263, 69340076), (442, 41258914), (526, 34670038), (884, 20629457), (1052, 17335019), (3419, 5333852), (4471, 4078828), (6838, 2666926), (8942, 2039414), (13676, 1333463), (17884, 1019707), (58123, 313756), (78439, 232492), (116246, 156878)]