18818690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{171079}}^1$

素因数の和:171097

約数の個数: 16

約数和(自身を含む): 36953280

約数和(自身を除く): 18134590

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 171079, 342158, 855395, 1710790, 1881869, 3763738, 9409345, 18818690]

約数ペア:

[(1, 18818690), (2, 9409345), (5, 3763738), (10, 1881869), (11, 1710790), (22, 855395), (55, 342158), (110, 171079)]