19970851

素因数分解:

${\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:330

約数の個数: 16

約数和(自身を含む): 21427200

約数和(自身を除く): 1456349

約数列:

[1, 31, 59, 61, 179, 1829, 1891, 3599, 5549, 10561, 10919, 111569, 327391, 338489, 644221, 19970851]

約数ペア:

[(1, 19970851), (31, 644221), (59, 338489), (61, 327391), (179, 111569), (1829, 10919), (1891, 10561), (3599, 5549)]