16889454

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{21821}}^1$

素因数の和:21872

約数の個数: 24

約数和(自身を含む): 37446552

約数和(自身を除く): 20557098

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 21821, 43642, 65463, 130926, 196389, 392778, 938303, 1876606, 2814909, 5629818, 8444727, 16889454]

約数ペア:

[(1, 16889454), (2, 8444727), (3, 5629818), (6, 2814909), (9, 1876606), (18, 938303), (43, 392778), (86, 196389), (129, 130926), (258, 65463), (387, 43642), (774, 21821)]