19580451

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:283

約数の個数: 32

約数和(自身を含む): 29569536

約数和(自身を除く): 9989085

約数列:

[1, 3, 11, 33, 61, 71, 137, 183, 213, 411, 671, 781, 1507, 2013, 2343, 4331, 4521, 8357, 9727, 12993, 25071, 29181, 47641, 91927, 106997, 142923, 275781, 320991, 593347, 1780041, 6526817, 19580451]

約数ペア:

[(1, 19580451), (3, 6526817), (11, 1780041), (33, 593347), (61, 320991), (71, 275781), (137, 142923), (183, 106997), (213, 91927), (411, 47641), (671, 29181), (781, 25071), (1507, 12993), (2013, 9727), (2343, 8357), (4331, 4521)]