18720982

素因数分解:

$2^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{16111}}^1$

素因数の和:16203

約数の個数: 16

約数和(自身を含む): 32481792

約数和(自身を除く): 13760810

約数列:

[1, 2, 7, 14, 83, 166, 581, 1162, 16111, 32222, 112777, 225554, 1337213, 2674426, 9360491, 18720982]

約数ペア:

[(1, 18720982), (2, 9360491), (7, 2674426), (14, 1337213), (83, 225554), (166, 112777), (581, 32222), (1162, 16111)]