18734919

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{15121}}^1$

素因数の和:15190

約数の個数: 16

約数和(自身を含む): 29034240

約数和(自身を除く): 10299321

約数列:

[1, 3, 7, 21, 59, 177, 413, 1239, 15121, 45363, 105847, 317541, 892139, 2676417, 6244973, 18734919]

約数ペア:

[(1, 18734919), (3, 6244973), (7, 2676417), (21, 892139), (59, 317541), (177, 105847), (413, 45363), (1239, 15121)]