19473129

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{18493}}^1$

素因数の和:18518

約数の個数: 20

約数和(自身を含む): 31328836

約数和(自身を除く): 11855707

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 18493, 55479, 166437, 240409, 499311, 721227, 1497933, 2163681, 6491043, 19473129]

約数ペア:

[(1, 19473129), (3, 6491043), (9, 2163681), (13, 1497933), (27, 721227), (39, 499311), (81, 240409), (117, 166437), (351, 55479), (1053, 18493)]