19757187838

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1\times {\mathrm{425563}}^1$

素因数の和:425871

約数の個数: 16

約数和(自身を含む): 30027795840

約数和(自身を除く): 10270608002

約数列:

[1, 2, 139, 167, 278, 334, 23213, 46426, 425563, 851126, 59153257, 71069021, 118306514, 142138042, 9878593919, 19757187838]

約数ペア:

[(1, 19757187838), (2, 9878593919), (139, 142138042), (167, 118306514), (278, 71069021), (334, 59153257), (23213, 851126), (46426, 425563)]