18477147

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2$

素因数の和:124

約数の個数: 48

約数和(自身を含む): 30028320

約数和(自身を除く): 11551173

約数列:

[1, 3, 13, 17, 29, 31, 39, 51, 87, 93, 221, 377, 403, 493, 527, 663, 899, 961, 1131, 1209, 1479, 1581, 2697, 2883, 6409, 6851, 11687, 12493, 15283, 16337, 19227, 20553, 27869, 35061, 37479, 45849, 49011, 83607, 198679, 212381, 362297, 473773, 596037, 637143, 1086891, 1421319, 6159049, 18477147]

約数ペア:

[(1, 18477147), (3, 6159049), (13, 1421319), (17, 1086891), (29, 637143), (31, 596037), (39, 473773), (51, 362297), (87, 212381), (93, 198679), (221, 83607), (377, 49011), (403, 45849), (493, 37479), (527, 35061), (663, 27869), (899, 20553), (961, 19227), (1131, 16337), (1209, 15283), (1479, 12493), (1581, 11687), (2697, 6851), (2883, 6409)]