19123984

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{563}}^1$

素因数の和:775

約数の個数: 40

約数和(自身を含む): 40702752

約数和(自身を除く): 21578768

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 193, 386, 563, 772, 1126, 1544, 2123, 2252, 3088, 4246, 4504, 6193, 8492, 9008, 12386, 16984, 24772, 33968, 49544, 99088, 108659, 217318, 434636, 869272, 1195249, 1738544, 2390498, 4780996, 9561992, 19123984]

約数ペア:

[(1, 19123984), (2, 9561992), (4, 4780996), (8, 2390498), (11, 1738544), (16, 1195249), (22, 869272), (44, 434636), (88, 217318), (176, 108659), (193, 99088), (386, 49544), (563, 33968), (772, 24772), (1126, 16984), (1544, 12386), (2123, 9008), (2252, 8492), (3088, 6193), (4246, 4504)]