19713536

素因数分解:

$2^9\times {\mathrm{139}}^1\times {\mathrm{277}}^1$

素因数の和:434

約数の個数: 40

約数和(自身を含む): 39815160

約数和(自身を除く): 20101624

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 139, 256, 277, 278, 512, 554, 556, 1108, 1112, 2216, 2224, 4432, 4448, 8864, 8896, 17728, 17792, 35456, 35584, 38503, 70912, 71168, 77006, 141824, 154012, 308024, 616048, 1232096, 2464192, 4928384, 9856768, 19713536]

約数ペア:

[(1, 19713536), (2, 9856768), (4, 4928384), (8, 2464192), (16, 1232096), (32, 616048), (64, 308024), (128, 154012), (139, 141824), (256, 77006), (277, 71168), (278, 70912), (512, 38503), (554, 35584), (556, 35456), (1108, 17792), (1112, 17728), (2216, 8896), (2224, 8864), (4432, 4448)]