19980254

素因数分解:

$2^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{14713}}^1$

素因数の和:14819

約数の個数: 16

約数和(自身を含む): 34607328

約数和(自身を除く): 14627074

約数列:

[1, 2, 7, 14, 97, 194, 679, 1358, 14713, 29426, 102991, 205982, 1427161, 2854322, 9990127, 19980254]

約数ペア:

[(1, 19980254), (2, 9990127), (7, 2854322), (14, 1427161), (97, 205982), (194, 102991), (679, 29426), (1358, 14713)]