19744857

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3499}}^1$

素因数の和:3538

約数の個数: 32

約数和(自身を含む): 33600000

約数和(自身を除く): 13855143

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 99, 171, 209, 297, 513, 627, 1881, 3499, 5643, 10497, 31491, 38489, 66481, 94473, 115467, 199443, 346401, 598329, 731291, 1039203, 1794987, 2193873, 6581619, 19744857]

約数ペア:

[(1, 19744857), (3, 6581619), (9, 2193873), (11, 1794987), (19, 1039203), (27, 731291), (33, 598329), (57, 346401), (99, 199443), (171, 115467), (209, 94473), (297, 66481), (513, 38489), (627, 31491), (1881, 10497), (3499, 5643)]