19002205

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{433}}^1$

素因数の和:636

約数の個数: 16

約数和(自身を含む): 23373504

約数和(自身を除く): 4371299

約数列:

[1, 5, 67, 131, 335, 433, 655, 2165, 8777, 29011, 43885, 56723, 145055, 283615, 3800441, 19002205]

約数ペア:

[(1, 19002205), (5, 3800441), (67, 283615), (131, 145055), (335, 56723), (433, 43885), (655, 29011), (2165, 8777)]