18561738

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{237971}}^1$

素因数の和:237989

約数の個数: 16

約数和(自身を含む): 39979296

約数和(自身を除く): 21417558

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 237971, 475942, 713913, 1427826, 3093623, 6187246, 9280869, 18561738]

約数ペア:

[(1, 18561738), (2, 9280869), (3, 6187246), (6, 3093623), (13, 1427826), (26, 713913), (39, 475942), (78, 237971)]