18558644

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{4889}}^1$

素因数の和:4979

約数の個数: 24

約数和(自身を含む): 35462280

約数和(自身を除く): 16903636

約数列:

[1, 2, 4, 13, 26, 52, 73, 146, 292, 949, 1898, 3796, 4889, 9778, 19556, 63557, 127114, 254228, 356897, 713794, 1427588, 4639661, 9279322, 18558644]

約数ペア:

[(1, 18558644), (2, 9279322), (4, 4639661), (13, 1427588), (26, 713794), (52, 356897), (73, 254228), (146, 127114), (292, 63557), (949, 19556), (1898, 9778), (3796, 4889)]