18820216

素因数分解:

$2^3\times {\mathrm{359}}^1\times {\mathrm{6553}}^1$

素因数の和:6918

約数の個数: 16

約数和(自身を含む): 35391600

約数和(自身を除く): 16571384

約数列:

[1, 2, 4, 8, 359, 718, 1436, 2872, 6553, 13106, 26212, 52424, 2352527, 4705054, 9410108, 18820216]

約数ペア:

[(1, 18820216), (2, 9410108), (4, 4705054), (8, 2352527), (359, 52424), (718, 26212), (1436, 13106), (2872, 6553)]