18678804976

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2896837}}^1$

素因数の和:2896889

約数の個数: 40

約数和(自身を含む): 40231286144

約数和(自身を除く): 21552481168

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 2896837, 5793674, 11587348, 23174696, 37658881, 46349392, 75317762, 89801947, 150635524, 179603894, 301271048, 359207788, 602542096, 718415576, 1167425311, 1436831152, 2334850622, 4669701244, 9339402488, 18678804976]

約数ペア:

[(1, 18678804976), (2, 9339402488), (4, 4669701244), (8, 2334850622), (13, 1436831152), (16, 1167425311), (26, 718415576), (31, 602542096), (52, 359207788), (62, 301271048), (104, 179603894), (124, 150635524), (208, 89801947), (248, 75317762), (403, 46349392), (496, 37658881), (806, 23174696), (1612, 11587348), (3224, 5793674), (6448, 2896837)]