19580462

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{80911}}^1$

素因数の和:80935

約数の個数: 12

約数和(自身を含む): 32283888

約数和(自身を除く): 12703426

約数列:

[1, 2, 11, 22, 121, 242, 80911, 161822, 890021, 1780042, 9790231, 19580462]

約数ペア:

[(1, 19580462), (2, 9790231), (11, 1780042), (22, 890021), (121, 161822), (242, 80911)]