19743128

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{673}}^1$

素因数の和:891

約数の個数: 32

約数和(自身を含む): 39226800

約数和(自身を除く): 19483672

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 193, 386, 673, 772, 1346, 1544, 2692, 3667, 5384, 7334, 12787, 14668, 25574, 29336, 51148, 102296, 129889, 259778, 519556, 1039112, 2467891, 4935782, 9871564, 19743128]

約数ペア:

[(1, 19743128), (2, 9871564), (4, 4935782), (8, 2467891), (19, 1039112), (38, 519556), (76, 259778), (152, 129889), (193, 102296), (386, 51148), (673, 29336), (772, 25574), (1346, 14668), (1544, 12787), (2692, 7334), (3667, 5384)]