19111984

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{16363}}^1$

素因数の和:16444

約数の個数: 20

約数和(自身を含む): 37539016

約数和(自身を除く): 18427032

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 16363, 32726, 65452, 130904, 261808, 1194499, 2388998, 4777996, 9555992, 19111984]

約数ペア:

[(1, 19111984), (2, 9555992), (4, 4777996), (8, 2388998), (16, 1194499), (73, 261808), (146, 130904), (292, 65452), (584, 32726), (1168, 16363)]