18886904

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{22921}}^1$

素因数の和:23030

約数の個数: 16

約数和(自身を含む): 35758320

約数和(自身を除く): 16871416

約数列:

[1, 2, 4, 8, 103, 206, 412, 824, 22921, 45842, 91684, 183368, 2360863, 4721726, 9443452, 18886904]

約数ペア:

[(1, 18886904), (2, 9443452), (4, 4721726), (8, 2360863), (103, 183368), (206, 91684), (412, 45842), (824, 22921)]