19686418

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{2591}}^1$

素因数の和:2753

約数の個数: 16

約数和(自身を含む): 30792960

約数和(自身を除く): 11106542

約数列:

[1, 2, 29, 58, 131, 262, 2591, 3799, 5182, 7598, 75139, 150278, 339421, 678842, 9843209, 19686418]

約数ペア:

[(1, 19686418), (2, 9843209), (29, 678842), (58, 339421), (131, 150278), (262, 75139), (2591, 7598), (3799, 5182)]