19154806

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{12263}}^1$

素因数の和:12347

約数の個数: 16

約数和(自身を含む): 31788288

約数和(自身を除く): 12633482

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 12263, 24526, 134893, 269786, 870673, 1741346, 9577403, 19154806]

約数ペア:

[(1, 19154806), (2, 9577403), (11, 1741346), (22, 870673), (71, 269786), (142, 134893), (781, 24526), (1562, 12263)]