18883123

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{503}}^1$

素因数の和:714

約数の個数: 16

約数和(自身を含む): 22450176

約数和(自身を除く): 3567053

約数列:

[1, 7, 31, 173, 217, 503, 1211, 3521, 5363, 15593, 37541, 87019, 109151, 609133, 2697589, 18883123]

約数ペア:

[(1, 18883123), (7, 2697589), (31, 609133), (173, 109151), (217, 87019), (503, 37541), (1211, 15593), (3521, 5363)]