18785777908

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{1489}}^1\times {\mathrm{73351}}^1$

素因数の和:74887

約数の個数: 24

約数和(自身を含む): 33662699840

約数和(自身を除く): 14876921932

約数列:

[1, 2, 4, 43, 86, 172, 1489, 2978, 5956, 64027, 73351, 128054, 146702, 256108, 293404, 3154093, 6308186, 12616372, 109219639, 218439278, 436878556, 4696444477, 9392888954, 18785777908]

約数ペア:

[(1, 18785777908), (2, 9392888954), (4, 4696444477), (43, 436878556), (86, 218439278), (172, 109219639), (1489, 12616372), (2978, 6308186), (5956, 3154093), (64027, 293404), (73351, 256108), (128054, 146702)]