17939260144

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{311359}}^1$

素因数の和:311657

約数の個数: 40

約数和(自身を含む): 37566206720

約数和(自身を除く): 19626946576

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 277, 554, 1108, 2216, 3601, 4432, 7202, 14404, 28808, 57616, 311359, 622718, 1245436, 2490872, 4047667, 4981744, 8095334, 16190668, 32381336, 64762672, 86246443, 172492886, 344985772, 689971544, 1121203759, 1379943088, 2242407518, 4484815036, 8969630072, 17939260144]

約数ペア:

[(1, 17939260144), (2, 8969630072), (4, 4484815036), (8, 2242407518), (13, 1379943088), (16, 1121203759), (26, 689971544), (52, 344985772), (104, 172492886), (208, 86246443), (277, 64762672), (554, 32381336), (1108, 16190668), (2216, 8095334), (3601, 4981744), (4432, 4047667), (7202, 2490872), (14404, 1245436), (28808, 622718), (57616, 311359)]