19019913

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{12263}}^1$

素因数の和:12324

約数の個数: 16

約数和(自身を含む): 28256256

約数和(自身を除く): 9236343

約数列:

[1, 3, 11, 33, 47, 141, 517, 1551, 12263, 36789, 134893, 404679, 576361, 1729083, 6339971, 19019913]

約数ペア:

[(1, 19019913), (3, 6339971), (11, 1729083), (33, 576361), (47, 404679), (141, 134893), (517, 36789), (1551, 12263)]