17938544

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{86243}}^1$

素因数の和:86264

約数の個数: 20

約数和(自身を含む): 37429896

約数和(自身を除く): 19491352

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 86243, 172486, 344972, 689944, 1121159, 1379888, 2242318, 4484636, 8969272, 17938544]

約数ペア:

[(1, 17938544), (2, 8969272), (4, 4484636), (8, 2242318), (13, 1379888), (16, 1121159), (26, 689944), (52, 344972), (104, 172486), (208, 86243)]