18621279

素因数分解:

$3^3\times {\mathrm{43}}^2\times {\mathrm{373}}^1$

素因数の和:468

約数の個数: 24

約数和(自身を含む): 28319280

約数和(自身を除く): 9698001

約数列:

[1, 3, 9, 27, 43, 129, 373, 387, 1119, 1161, 1849, 3357, 5547, 10071, 16039, 16641, 48117, 49923, 144351, 433053, 689677, 2069031, 6207093, 18621279]

約数ペア:

[(1, 18621279), (3, 6207093), (9, 2069031), (27, 689677), (43, 433053), (129, 144351), (373, 49923), (387, 48117), (1119, 16641), (1161, 16039), (1849, 10071), (3357, 5547)]