19851711

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{4391}}^1$

素因数の和:4542

約数の個数: 16

約数和(自身を含む): 29092608

約数和(自身を除く): 9240897

約数列:

[1, 3, 11, 33, 137, 411, 1507, 4391, 4521, 13173, 48301, 144903, 601567, 1804701, 6617237, 19851711]

約数ペア:

[(1, 19851711), (3, 6617237), (11, 1804701), (33, 601567), (137, 144903), (411, 48301), (1507, 13173), (4391, 4521)]