19715629

素因数分解:

${\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:348

約数の個数: 16

約数和(自身を含む): 21155904

約数和(自身を除く): 1440275

約数列:

[1, 41, 43, 53, 211, 1763, 2173, 2279, 8651, 9073, 11183, 93439, 371993, 458503, 480869, 19715629]

約数ペア:

[(1, 19715629), (41, 480869), (43, 458503), (53, 371993), (211, 93439), (1763, 11183), (2173, 9073), (2279, 8651)]