19729386

素因数分解:

$2^1\times 3^3\times {\mathrm{131}}^1\times {\mathrm{2789}}^1$

素因数の和:2931

約数の個数: 32

約数和(自身を含む): 44193600

約数和(自身を除く): 24464214

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 131, 262, 393, 786, 1179, 2358, 2789, 3537, 5578, 7074, 8367, 16734, 25101, 50202, 75303, 150606, 365359, 730718, 1096077, 2192154, 3288231, 6576462, 9864693, 19729386]

約数ペア:

[(1, 19729386), (2, 9864693), (3, 6576462), (6, 3288231), (9, 2192154), (18, 1096077), (27, 730718), (54, 365359), (131, 150606), (262, 75303), (393, 50202), (786, 25101), (1179, 16734), (2358, 8367), (2789, 7074), (3537, 5578)]