19959296

素因数分解:

$2^9\times 7^1\times {\mathrm{5569}}^1$

素因数の和:5594

約数の個数: 40

約数和(自身を含む): 45584880

約数和(自身を除く): 25625584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 5569, 11138, 22276, 38983, 44552, 77966, 89104, 155932, 178208, 311864, 356416, 623728, 712832, 1247456, 1425664, 2494912, 2851328, 4989824, 9979648, 19959296]

約数ペア:

[(1, 19959296), (2, 9979648), (4, 4989824), (7, 2851328), (8, 2494912), (14, 1425664), (16, 1247456), (28, 712832), (32, 623728), (56, 356416), (64, 311864), (112, 178208), (128, 155932), (224, 89104), (256, 77966), (448, 44552), (512, 38983), (896, 22276), (1792, 11138), (3584, 5569)]