19166728

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^2\times {\mathrm{647}}^1$

素因数の和:706

約数の個数: 48

約数和(自身を含む): 43001280

約数和(自身を除く): 23834552

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 322, 529, 644, 647, 1058, 1288, 1294, 2116, 2588, 3703, 4232, 4529, 5176, 7406, 9058, 14812, 14881, 18116, 29624, 29762, 36232, 59524, 104167, 119048, 208334, 342263, 416668, 684526, 833336, 1369052, 2395841, 2738104, 4791682, 9583364, 19166728]

約数ペア:

[(1, 19166728), (2, 9583364), (4, 4791682), (7, 2738104), (8, 2395841), (14, 1369052), (23, 833336), (28, 684526), (46, 416668), (56, 342263), (92, 208334), (161, 119048), (184, 104167), (322, 59524), (529, 36232), (644, 29762), (647, 29624), (1058, 18116), (1288, 14881), (1294, 14812), (2116, 9058), (2588, 7406), (3703, 5176), (4232, 4529)]