181909967824

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{20338771}}^1$

素因数の和:20338835

約数の個数: 40

約数和(自身を含む): 388389190112

約数和(自身を除く): 206479222288

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2236, 4472, 8944, 20338771, 40677542, 81355084, 162710168, 264404023, 325420336, 528808046, 874567153, 1057616092, 1749134306, 2115232184, 3498268612, 4230464368, 6996537224, 11369372989, 13993074448, 22738745978, 45477491956, 90954983912, 181909967824]

約数ペア:

[(1, 181909967824), (2, 90954983912), (4, 45477491956), (8, 22738745978), (13, 13993074448), (16, 11369372989), (26, 6996537224), (43, 4230464368), (52, 3498268612), (86, 2115232184), (104, 1749134306), (172, 1057616092), (208, 874567153), (344, 528808046), (559, 325420336), (688, 264404023), (1118, 162710168), (2236, 81355084), (4472, 40677542), (8944, 20338771)]