19788836

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{1181}}^1$

素因数の和:1315

約数の個数: 24

約数和(自身を含む): 35743680

約数和(自身を除く): 15954844

約数列:

[1, 2, 4, 59, 71, 118, 142, 236, 284, 1181, 2362, 4189, 4724, 8378, 16756, 69679, 83851, 139358, 167702, 278716, 335404, 4947209, 9894418, 19788836]

約数ペア:

[(1, 19788836), (2, 9894418), (4, 4947209), (59, 335404), (71, 278716), (118, 167702), (142, 139358), (236, 83851), (284, 69679), (1181, 16756), (2362, 8378), (4189, 4724)]