9999872

素因数分解:

$2^9\times {\mathrm{19531}}^1$

素因数の和:19549

約数の個数: 20

約数和(自身を含む): 19981236

約数和(自身を除く): 9981364

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 19531, 39062, 78124, 156248, 312496, 624992, 1249984, 2499968, 4999936, 9999872]

約数ペア:

[(1, 9999872), (2, 4999936), (4, 2499968), (8, 1249984), (16, 624992), (32, 312496), (64, 156248), (128, 78124), (256, 39062), (512, 19531)]