20118538

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{19457}}^1$

素因数の和:19517

約数の個数: 16

約数和(自身を含む): 33623424

約数和(自身を除く): 13504886

約数列:

[1, 2, 11, 22, 47, 94, 517, 1034, 19457, 38914, 214027, 428054, 914479, 1828958, 10059269, 20118538]

約数ペア:

[(1, 20118538), (2, 10059269), (11, 1828958), (22, 914479), (47, 428054), (94, 214027), (517, 38914), (1034, 19457)]