19991777036

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{64908367}}^1$

素因数の和:64908389

約数の個数: 24

約数和(自身を含む): 43618423296

約数和(自身を除く): 23626646260

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 64908367, 129816734, 259633468, 454358569, 713992037, 908717138, 1427984074, 1817434276, 2855968148, 4997944259, 9995888518, 19991777036]

約数ペア:

[(1, 19991777036), (2, 9995888518), (4, 4997944259), (7, 2855968148), (11, 1817434276), (14, 1427984074), (22, 908717138), (28, 713992037), (44, 454358569), (77, 259633468), (154, 129816734), (308, 64908367)]