18201992

素因数分解:

$2^3\times {\mathrm{431}}^1\times {\mathrm{5279}}^1$

素因数の和:5716

約数の個数: 16

約数和(自身を含む): 34214400

約数和(自身を除く): 16012408

約数列:

[1, 2, 4, 8, 431, 862, 1724, 3448, 5279, 10558, 21116, 42232, 2275249, 4550498, 9100996, 18201992]

約数ペア:

[(1, 18201992), (2, 9100996), (4, 4550498), (8, 2275249), (431, 42232), (862, 21116), (1724, 10558), (3448, 5279)]