18204831

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{3943}}^1$

素因数の和:3977

約数の個数: 24

約数和(自身を含む): 28712320

約数和(自身を除く): 10507489

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 1539, 3943, 4617, 11829, 35487, 74917, 106461, 224751, 319383, 674253, 958149, 2022759, 6068277, 18204831]

約数ペア:

[(1, 18204831), (3, 6068277), (9, 2022759), (19, 958149), (27, 674253), (57, 319383), (81, 224751), (171, 106461), (243, 74917), (513, 35487), (1539, 11829), (3943, 4617)]