19477359

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 33156864

約数和(自身を除く): 13679505

約数列:

[1, 3, 9, 11, 17, 33, 51, 71, 99, 153, 163, 187, 213, 489, 561, 639, 781, 1207, 1467, 1683, 1793, 2343, 2771, 3621, 5379, 7029, 8313, 10863, 11573, 13277, 16137, 24939, 30481, 34719, 39831, 91443, 104157, 119493, 127303, 196741, 274329, 381909, 590223, 1145727, 1770669, 2164151, 6492453, 19477359]

約数ペア:

[(1, 19477359), (3, 6492453), (9, 2164151), (11, 1770669), (17, 1145727), (33, 590223), (51, 381909), (71, 274329), (99, 196741), (153, 127303), (163, 119493), (187, 104157), (213, 91443), (489, 39831), (561, 34719), (639, 30481), (781, 24939), (1207, 16137), (1467, 13277), (1683, 11573), (1793, 10863), (2343, 8313), (2771, 7029), (3621, 5379)]