18788188

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{1061}}^1$

素因数の和:1317

約数の個数: 24

約数和(自身を含む): 34791120

約数和(自身を除く): 16002932

約数列:

[1, 2, 4, 19, 38, 76, 233, 466, 932, 1061, 2122, 4244, 4427, 8854, 17708, 20159, 40318, 80636, 247213, 494426, 988852, 4697047, 9394094, 18788188]

約数ペア:

[(1, 18788188), (2, 9394094), (4, 4697047), (19, 988852), (38, 494426), (76, 247213), (233, 80636), (466, 40318), (932, 20159), (1061, 17708), (2122, 8854), (4244, 4427)]