19139888

素因数分解:

$2^4\times {\mathrm{269}}^1\times {\mathrm{4447}}^1$

素因数の和:4724

約数の個数: 20

約数和(自身を含む): 37229760

約数和(自身を除く): 18089872

約数列:

[1, 2, 4, 8, 16, 269, 538, 1076, 2152, 4304, 4447, 8894, 17788, 35576, 71152, 1196243, 2392486, 4784972, 9569944, 19139888]

約数ペア:

[(1, 19139888), (2, 9569944), (4, 4784972), (8, 2392486), (16, 1196243), (269, 71152), (538, 35576), (1076, 17788), (2152, 8894), (4304, 4447)]