19996544

素因数分解:

$2^7\times {\mathrm{29}}^1\times {\mathrm{5387}}^1$

素因数の和:5430

約数の個数: 32

約数和(自身を含む): 41218200

約数和(自身を除く): 21221656

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 128, 232, 464, 928, 1856, 3712, 5387, 10774, 21548, 43096, 86192, 156223, 172384, 312446, 344768, 624892, 689536, 1249784, 2499568, 4999136, 9998272, 19996544]

約数ペア:

[(1, 19996544), (2, 9998272), (4, 4999136), (8, 2499568), (16, 1249784), (29, 689536), (32, 624892), (58, 344768), (64, 312446), (116, 172384), (128, 156223), (232, 86192), (464, 43096), (928, 21548), (1856, 10774), (3712, 5387)]