19951161

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{701}}^1$

素因数の和:936

約数の個数: 16

約数和(自身を含む): 27293760

約数和(自身を除く): 7342599

約数列:

[1, 3, 53, 159, 179, 537, 701, 2103, 9487, 28461, 37153, 111459, 125479, 376437, 6650387, 19951161]

約数ペア:

[(1, 19951161), (3, 6650387), (53, 376437), (159, 125479), (179, 111459), (537, 37153), (701, 28461), (2103, 9487)]