18887853

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1\times {\mathrm{827}}^1$

素因数の和:1184

約数の個数: 16

約数和(自身を含む): 26390016

約数和(自身を除く): 7502163

約数列:

[1, 3, 23, 69, 331, 827, 993, 2481, 7613, 19021, 22839, 57063, 273737, 821211, 6295951, 18887853]

約数ペア:

[(1, 18887853), (3, 6295951), (23, 821211), (69, 273737), (331, 57063), (827, 22839), (993, 19021), (2481, 7613)]