18909163

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6703}}^1$

素因数の和:6754

約数の個数: 16

約数和(自身を含む): 24027136

約数和(自身を除く): 5117973

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 6703, 46921, 87139, 207793, 609973, 1454551, 2701309, 18909163]

約数ペア:

[(1, 18909163), (7, 2701309), (13, 1454551), (31, 609973), (91, 207793), (217, 87139), (403, 46921), (2821, 6703)]