18678758

素因数分解:

$2^1\times 7^1\times {\mathrm{907}}^1\times {\mathrm{1471}}^1$

素因数の和:2387

約数の個数: 16

約数和(自身を含む): 32077824

約数和(自身を除く): 13399066

約数列:

[1, 2, 7, 14, 907, 1471, 1814, 2942, 6349, 10297, 12698, 20594, 1334197, 2668394, 9339379, 18678758]

約数ペア:

[(1, 18678758), (2, 9339379), (7, 2668394), (14, 1334197), (907, 20594), (1471, 12698), (1814, 10297), (2942, 6349)]