19748394

素因数分解:

$2^1\times 3^3\times {\mathrm{257}}^1\times {\mathrm{1423}}^1$

素因数の和:1691

約数の個数: 32

約数和(自身を含む): 44087040

約数和(自身を除く): 24338646

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 257, 514, 771, 1423, 1542, 2313, 2846, 4269, 4626, 6939, 8538, 12807, 13878, 25614, 38421, 76842, 365711, 731422, 1097133, 2194266, 3291399, 6582798, 9874197, 19748394]

約数ペア:

[(1, 19748394), (2, 9874197), (3, 6582798), (6, 3291399), (9, 2194266), (18, 1097133), (27, 731422), (54, 365711), (257, 76842), (514, 38421), (771, 25614), (1423, 13878), (1542, 12807), (2313, 8538), (2846, 6939), (4269, 4626)]