19812412

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{291359}}^1$

素因数の和:291380

約数の個数: 12

約数和(自身を含む): 36711360

約数和(自身を除く): 16898948

約数列:

[1, 2, 4, 17, 34, 68, 291359, 582718, 1165436, 4953103, 9906206, 19812412]

約数ペア:

[(1, 19812412), (2, 9906206), (4, 4953103), (17, 1165436), (34, 582718), (68, 291359)]