18686206

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1709}}^1$

素因数の和:1800

約数の個数: 32

約数和(自身を含む): 35458560

約数和(自身を除く): 16772354

約数列:

[1, 2, 7, 11, 14, 22, 71, 77, 142, 154, 497, 781, 994, 1562, 1709, 3418, 5467, 10934, 11963, 18799, 23926, 37598, 121339, 131593, 242678, 263186, 849373, 1334729, 1698746, 2669458, 9343103, 18686206]

約数ペア:

[(1, 18686206), (2, 9343103), (7, 2669458), (11, 1698746), (14, 1334729), (22, 849373), (71, 263186), (77, 242678), (142, 131593), (154, 121339), (497, 37598), (781, 23926), (994, 18799), (1562, 11963), (1709, 10934), (3418, 5467)]