19890398

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{3361}}^1$

素因数の和:3643

約数の個数: 16

約数和(自身を含む): 32678640

約数和(自身を除く): 12788242

約数列:

[1, 2, 11, 22, 269, 538, 2959, 3361, 5918, 6722, 36971, 73942, 904109, 1808218, 9945199, 19890398]

約数ペア:

[(1, 19890398), (2, 9945199), (11, 1808218), (22, 904109), (269, 73942), (538, 36971), (2959, 6722), (3361, 5918)]