19679891

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{593}}^1$

素因数の和:1042

約数の個数: 16

約数和(自身を含む): 24634368

約数和(自身を除く): 4954477

約数列:

[1, 7, 11, 77, 431, 593, 3017, 4151, 4741, 6523, 33187, 45661, 255583, 1789081, 2811413, 19679891]

約数ペア:

[(1, 19679891), (7, 2811413), (11, 1789081), (77, 255583), (431, 45661), (593, 33187), (3017, 6523), (4151, 4741)]