19714167

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:492

約数の個数: 36

約数和(自身を含む): 32104072

約数和(自身を除く): 12389905

約数列:

[1, 3, 9, 11, 33, 43, 99, 121, 129, 363, 387, 421, 473, 1089, 1263, 1419, 3789, 4257, 4631, 5203, 13893, 15609, 18103, 41679, 46827, 50941, 54309, 152823, 162927, 199133, 458469, 597399, 1792197, 2190463, 6571389, 19714167]

約数ペア:

[(1, 19714167), (3, 6571389), (9, 2190463), (11, 1792197), (33, 597399), (43, 458469), (99, 199133), (121, 162927), (129, 152823), (363, 54309), (387, 50941), (421, 46827), (473, 41679), (1089, 18103), (1263, 15609), (1419, 13893), (3789, 5203), (4257, 4631)]