19704832

素因数分解:

$2^{10}\times 7^1\times {\mathrm{2749}}^1$

素因数の和:2776

約数の個数: 44

約数和(自身を含む): 45034000

約数和(自身を除く): 25329168

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1792, 2749, 3584, 5498, 7168, 10996, 19243, 21992, 38486, 43984, 76972, 87968, 153944, 175936, 307888, 351872, 615776, 703744, 1231552, 1407488, 2463104, 2814976, 4926208, 9852416, 19704832]

約数ペア:

[(1, 19704832), (2, 9852416), (4, 4926208), (7, 2814976), (8, 2463104), (14, 1407488), (16, 1231552), (28, 703744), (32, 615776), (56, 351872), (64, 307888), (112, 175936), (128, 153944), (224, 87968), (256, 76972), (448, 43984), (512, 38486), (896, 21992), (1024, 19243), (1792, 10996), (2749, 7168), (3584, 5498)]