16190489

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:237

約数の個数: 24

約数和(自身を含む): 20116800

約数和(自身を除く): 3926311

約数列:

[1, 7, 19, 43, 133, 149, 301, 361, 817, 1043, 2527, 2831, 5719, 6407, 15523, 19817, 44849, 53789, 108661, 121733, 376523, 852131, 2312927, 16190489]

約数ペア:

[(1, 16190489), (7, 2312927), (19, 852131), (43, 376523), (133, 121733), (149, 108661), (301, 53789), (361, 44849), (817, 19817), (1043, 15523), (2527, 6407), (2831, 5719)]