19178179888

素因数分解:

$2^4\times 7^1\times {\mathrm{809}}^1\times {\mathrm{211661}}^1$

素因数の和:212485

約数の個数: 40

約数和(自身を含む): 42518662560

約数和(自身を除く): 23340482672

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 809, 1618, 3236, 5663, 6472, 11326, 12944, 22652, 45304, 90608, 211661, 423322, 846644, 1481627, 1693288, 2963254, 3386576, 5926508, 11853016, 23706032, 171233749, 342467498, 684934996, 1198636243, 1369869992, 2397272486, 2739739984, 4794544972, 9589089944, 19178179888]

約数ペア:

[(1, 19178179888), (2, 9589089944), (4, 4794544972), (7, 2739739984), (8, 2397272486), (14, 1369869992), (16, 1198636243), (28, 684934996), (56, 342467498), (112, 171233749), (809, 23706032), (1618, 11853016), (3236, 5926508), (5663, 3386576), (6472, 2963254), (11326, 1693288), (12944, 1481627), (22652, 846644), (45304, 423322), (90608, 211661)]