19643891

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{997}}^1$

素因数の和:1094

約数の個数: 16

約数和(自身を含む): 22275360

約数和(自身を除く): 2631469

約数列:

[1, 17, 19, 61, 323, 997, 1037, 1159, 16949, 18943, 19703, 60817, 322031, 1033889, 1155523, 19643891]

約数ペア:

[(1, 19643891), (17, 1155523), (19, 1033889), (61, 322031), (323, 60817), (997, 19703), (1037, 18943), (1159, 16949)]