19899416

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{1303}}^1$

素因数の和:1415

約数の個数: 32

約数和(自身を含む): 39432960

約数和(自身を除く): 19533544

約数列:

[1, 2, 4, 8, 23, 46, 83, 92, 166, 184, 332, 664, 1303, 1909, 2606, 3818, 5212, 7636, 10424, 15272, 29969, 59938, 108149, 119876, 216298, 239752, 432596, 865192, 2487427, 4974854, 9949708, 19899416]

約数ペア:

[(1, 19899416), (2, 9949708), (4, 4974854), (8, 2487427), (23, 865192), (46, 432596), (83, 239752), (92, 216298), (166, 119876), (184, 108149), (332, 59938), (664, 29969), (1303, 15272), (1909, 10424), (2606, 7636), (3818, 5212)]