19776256

素因数分解:

$2^8\times {\mathrm{67}}^1\times {\mathrm{1153}}^1$

素因数の和:1236

約数の個数: 36

約数和(自身を含む): 40099192

約数和(自身を除く): 20322936

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 128, 134, 256, 268, 536, 1072, 1153, 2144, 2306, 4288, 4612, 8576, 9224, 17152, 18448, 36896, 73792, 77251, 147584, 154502, 295168, 309004, 618008, 1236016, 2472032, 4944064, 9888128, 19776256]

約数ペア:

[(1, 19776256), (2, 9888128), (4, 4944064), (8, 2472032), (16, 1236016), (32, 618008), (64, 309004), (67, 295168), (128, 154502), (134, 147584), (256, 77251), (268, 73792), (536, 36896), (1072, 18448), (1153, 17152), (2144, 9224), (2306, 8576), (4288, 4612)]