19916116

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{41149}}^1$

素因数の和:41175

約数の個数: 18

約数和(自身を含む): 38310650

約数和(自身を除く): 18394534

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 41149, 82298, 164596, 452639, 905278, 1810556, 4979029, 9958058, 19916116]

約数ペア:

[(1, 19916116), (2, 9958058), (4, 4979029), (11, 1810556), (22, 905278), (44, 452639), (121, 164596), (242, 82298), (484, 41149)]