18761013

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{7213}}^1$

素因数の和:7253

約数の個数: 18

約数和(自身を含む): 28791074

約数和(自身を除く): 10030061

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 7213, 21639, 64917, 122621, 367863, 1103589, 2084557, 6253671, 18761013]

約数ペア:

[(1, 18761013), (3, 6253671), (9, 2084557), (17, 1103589), (51, 367863), (153, 122621), (289, 64917), (867, 21639), (2601, 7213)]