19409907

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{239}}^1$

素因数の和:383

約数の個数: 32

約数和(自身を含む): 29859840

約数和(自身を除く): 10449933

約数列:

[1, 3, 11, 23, 33, 69, 107, 239, 253, 321, 717, 759, 1177, 2461, 2629, 3531, 5497, 7383, 7887, 16491, 25573, 27071, 60467, 76719, 81213, 181401, 281303, 588179, 843909, 1764537, 6469969, 19409907]

約数ペア:

[(1, 19409907), (3, 6469969), (11, 1764537), (23, 843909), (33, 588179), (69, 281303), (107, 181401), (239, 81213), (253, 76719), (321, 60467), (717, 27071), (759, 25573), (1177, 16491), (2461, 7887), (2629, 7383), (3531, 5497)]