19990498

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{15401}}^1$

素因数の和:15473

約数の個数: 16

約数和(自身を含む): 33268320

約数和(自身を除く): 13277822

約数列:

[1, 2, 11, 22, 59, 118, 649, 1298, 15401, 30802, 169411, 338822, 908659, 1817318, 9995249, 19990498]

約数ペア:

[(1, 19990498), (2, 9995249), (11, 1817318), (22, 908659), (59, 338822), (118, 169411), (649, 30802), (1298, 15401)]