19733343

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^3\times {\mathrm{137}}^1$

素因数の和:204

約数の個数: 32

約数和(自身を含む): 31971840

約数和(自身を除く): 12238497

約数列:

[1, 3, 7, 19, 21, 57, 133, 137, 361, 399, 411, 959, 1083, 2527, 2603, 2877, 6859, 7581, 7809, 18221, 20577, 48013, 49457, 54663, 144039, 148371, 346199, 939683, 1038597, 2819049, 6577781, 19733343]

約数ペア:

[(1, 19733343), (3, 6577781), (7, 2819049), (19, 1038597), (21, 939683), (57, 346199), (133, 148371), (137, 144039), (361, 54663), (399, 49457), (411, 48013), (959, 20577), (1083, 18221), (2527, 7809), (2603, 7581), (2877, 6859)]