19888304

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{11617}}^1$

素因数の和:11732

約数の個数: 20

約数和(自身を含む): 38897064

約数和(自身を除く): 19008760

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 11617, 23234, 46468, 92936, 185872, 1243019, 2486038, 4972076, 9944152, 19888304]

約数ペア:

[(1, 19888304), (2, 9944152), (4, 4972076), (8, 2486038), (16, 1243019), (107, 185872), (214, 92936), (428, 46468), (856, 23234), (1712, 11617)]