18955216

素因数分解:

$2^4\times 7^1\times {\mathrm{169243}}^1$

素因数の和:169258

約数の個数: 20

約数和(自身を含む): 41972512

約数和(自身を除く): 23017296

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 169243, 338486, 676972, 1184701, 1353944, 2369402, 2707888, 4738804, 9477608, 18955216]

約数ペア:

[(1, 18955216), (2, 9477608), (4, 4738804), (7, 2707888), (8, 2369402), (14, 1353944), (16, 1184701), (28, 676972), (56, 338486), (112, 169243)]