19685949

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{7283}}^1$

素因数の和:7356

約数の個数: 16

約数和(自身を含む): 28320192

約数和(自身を除く): 8634243

約数列:

[1, 3, 17, 51, 53, 159, 901, 2703, 7283, 21849, 123811, 371433, 385999, 1157997, 6561983, 19685949]

約数ペア:

[(1, 19685949), (3, 6561983), (17, 1157997), (51, 385999), (53, 371433), (159, 123811), (901, 21849), (2703, 7283)]