19776016

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3067}}^1$

素因数の和:3119

約数の個数: 40

約数和(自身を含む): 42608384

約数和(自身を除く): 22832368

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3067, 3224, 6134, 6448, 12268, 24536, 39871, 49072, 79742, 95077, 159484, 190154, 318968, 380308, 637936, 760616, 1236001, 1521232, 2472002, 4944004, 9888008, 19776016]

約数ペア:

[(1, 19776016), (2, 9888008), (4, 4944004), (8, 2472002), (13, 1521232), (16, 1236001), (26, 760616), (31, 637936), (52, 380308), (62, 318968), (104, 190154), (124, 159484), (208, 95077), (248, 79742), (403, 49072), (496, 39871), (806, 24536), (1612, 12268), (3067, 6448), (3224, 6134)]