19999414

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1\times {\mathrm{547}}^1$

素因数の和:831

約数の個数: 16

約数和(自身を含む): 30519216

約数和(自身を除く): 10519802

約数列:

[1, 2, 101, 181, 202, 362, 547, 1094, 18281, 36562, 55247, 99007, 110494, 198014, 9999707, 19999414]

約数ペア:

[(1, 19999414), (2, 9999707), (101, 198014), (181, 110494), (202, 99007), (362, 55247), (547, 36562), (1094, 18281)]