19894208

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{7229}}^1$

素因数の和:7284

約数の個数: 28

約数和(自身を含む): 40401240

約数和(自身を除く): 20507032

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 172, 344, 688, 1376, 2752, 7229, 14458, 28916, 57832, 115664, 231328, 310847, 462656, 621694, 1243388, 2486776, 4973552, 9947104, 19894208]

約数ペア:

[(1, 19894208), (2, 9947104), (4, 4973552), (8, 2486776), (16, 1243388), (32, 621694), (43, 462656), (64, 310847), (86, 231328), (172, 115664), (344, 57832), (688, 28916), (1376, 14458), (2752, 7229)]