19861574848

素因数分解:

$2^6\times {\mathrm{263}}^1\times {\mathrm{1179989}}^1$

素因数の和:1180264

約数の個数: 28

約数和(自身を含む): 39562704720

約数和(自身を除く): 19701129872

約数列:

[1, 2, 4, 8, 16, 32, 64, 263, 526, 1052, 2104, 4208, 8416, 16832, 1179989, 2359978, 4719956, 9439912, 18879824, 37759648, 75519296, 310337107, 620674214, 1241348428, 2482696856, 4965393712, 9930787424, 19861574848]

約数ペア:

[(1, 19861574848), (2, 9930787424), (4, 4965393712), (8, 2482696856), (16, 1241348428), (32, 620674214), (64, 310337107), (263, 75519296), (526, 37759648), (1052, 18879824), (2104, 9439912), (4208, 4719956), (8416, 2359978), (16832, 1179989)]