19800902

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{479}}^1\times {\mathrm{1879}}^1$

素因数の和:2371

約数の個数: 16

約数和(自身を含む): 32486400

約数和(自身を除く): 12685498

約数列:

[1, 2, 11, 22, 479, 958, 1879, 3758, 5269, 10538, 20669, 41338, 900041, 1800082, 9900451, 19800902]

約数ペア:

[(1, 19800902), (2, 9900451), (11, 1800082), (22, 900041), (479, 41338), (958, 20669), (1879, 10538), (3758, 5269)]