18693213

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{80923}}^1$

素因数の和:80944

約数の個数: 16

約数和(自身を含む): 31074816

約数和(自身を除く): 12381603

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 80923, 242769, 566461, 890153, 1699383, 2670459, 6231071, 18693213]

約数ペア:

[(1, 18693213), (3, 6231071), (7, 2670459), (11, 1699383), (21, 890153), (33, 566461), (77, 242769), (231, 80923)]