19247504

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{271}}^1$

素因数の和:495

約数の個数: 40

約数和(自身を含む): 39259392

約数和(自身を除く): 20011888

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 193, 271, 368, 386, 542, 772, 1084, 1544, 2168, 3088, 4336, 4439, 6233, 8878, 12466, 17756, 24932, 35512, 49864, 52303, 71024, 99728, 104606, 209212, 418424, 836848, 1202969, 2405938, 4811876, 9623752, 19247504]

約数ペア:

[(1, 19247504), (2, 9623752), (4, 4811876), (8, 2405938), (16, 1202969), (23, 836848), (46, 418424), (92, 209212), (184, 104606), (193, 99728), (271, 71024), (368, 52303), (386, 49864), (542, 35512), (772, 24932), (1084, 17756), (1544, 12466), (2168, 8878), (3088, 6233), (4336, 4439)]