18721576

素因数分解:

$2^3\times {\mathrm{107}}^1\times {\mathrm{21871}}^1$

素因数の和:21984

約数の個数: 16

約数和(自身を含む): 35432640

約数和(自身を除く): 16711064

約数列:

[1, 2, 4, 8, 107, 214, 428, 856, 21871, 43742, 87484, 174968, 2340197, 4680394, 9360788, 18721576]

約数ペア:

[(1, 18721576), (2, 9360788), (4, 4680394), (8, 2340197), (107, 174968), (214, 87484), (428, 43742), (856, 21871)]