19513654

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{4129}}^1$

素因数の和:4287

約数の個数: 16

約数和(自身を含む): 31222800

約数和(自身を除く): 11709146

約数列:

[1, 2, 17, 34, 139, 278, 2363, 4129, 4726, 8258, 70193, 140386, 573931, 1147862, 9756827, 19513654]

約数ペア:

[(1, 19513654), (2, 9756827), (17, 1147862), (34, 573931), (139, 140386), (278, 70193), (2363, 8258), (4129, 4726)]