19997216

素因数分解:

$2^5\times {\mathrm{241}}^1\times {\mathrm{2593}}^1$

素因数の和:2844

約数の個数: 24

約数和(自身を含む): 39548124

約数和(自身を除く): 19550908

約数列:

[1, 2, 4, 8, 16, 32, 241, 482, 964, 1928, 2593, 3856, 5186, 7712, 10372, 20744, 41488, 82976, 624913, 1249826, 2499652, 4999304, 9998608, 19997216]

約数ペア:

[(1, 19997216), (2, 9998608), (4, 4999304), (8, 2499652), (16, 1249826), (32, 624913), (241, 82976), (482, 41488), (964, 20744), (1928, 10372), (2593, 7712), (3856, 5186)]