19999744

素因数分解:

$2^{10}\times {\mathrm{19531}}^1$

素因数の和:19551

約数の個数: 22

約数和(自身を含む): 39982004

約数和(自身を除く): 19982260

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 19531, 39062, 78124, 156248, 312496, 624992, 1249984, 2499968, 4999936, 9999872, 19999744]

約数ペア:

[(1, 19999744), (2, 9999872), (4, 4999936), (8, 2499968), (16, 1249984), (32, 624992), (64, 312496), (128, 156248), (256, 78124), (512, 39062), (1024, 19531)]