19721534

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{839}}^1$

素因数の和:944

約数の個数: 32

約数和(自身を含む): 35804160

約数和(自身を除く): 16082626

約数列:

[1, 2, 7, 14, 23, 46, 73, 146, 161, 322, 511, 839, 1022, 1678, 1679, 3358, 5873, 11746, 11753, 19297, 23506, 38594, 61247, 122494, 135079, 270158, 428729, 857458, 1408681, 2817362, 9860767, 19721534]

約数ペア:

[(1, 19721534), (2, 9860767), (7, 2817362), (14, 1408681), (23, 857458), (46, 428729), (73, 270158), (146, 135079), (161, 122494), (322, 61247), (511, 38594), (839, 23506), (1022, 19297), (1678, 11753), (1679, 11746), (3358, 5873)]