19690407

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1931}}^1$

素因数の和:2051

約数の個数: 24

約数和(自身を含む): 31344768

約数和(自身を除く): 11654361

約数列:

[1, 3, 9, 11, 33, 99, 103, 309, 927, 1133, 1931, 3399, 5793, 10197, 17379, 21241, 63723, 191169, 198893, 596679, 1790037, 2187823, 6563469, 19690407]

約数ペア:

[(1, 19690407), (3, 6563469), (9, 2187823), (11, 1790037), (33, 596679), (99, 198893), (103, 191169), (309, 63723), (927, 21241), (1133, 17379), (1931, 10197), (3399, 5793)]