19825407

素因数分解:

$3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2297}}^1$

素因数の和:2447

約数の個数: 24

約数和(自身を含む): 32980896

約数和(自身を除く): 13155489

約数列:

[1, 3, 7, 9, 21, 63, 137, 411, 959, 1233, 2297, 2877, 6891, 8631, 16079, 20673, 48237, 144711, 314689, 944067, 2202823, 2832201, 6608469, 19825407]

約数ペア:

[(1, 19825407), (3, 6608469), (7, 2832201), (9, 2202823), (21, 944067), (63, 314689), (137, 144711), (411, 48237), (959, 20673), (1233, 16079), (2297, 8631), (2877, 6891)]