18330851

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{479}}^1$

素因数の和:575

約数の個数: 24

約数和(自身を含む): 23639040

約数和(自身を除く): 5308189

約数列:

[1, 7, 11, 49, 71, 77, 479, 497, 539, 781, 3353, 3479, 5269, 5467, 23471, 34009, 36883, 38269, 238063, 258181, 374099, 1666441, 2618693, 18330851]

約数ペア:

[(1, 18330851), (7, 2618693), (11, 1666441), (49, 374099), (71, 258181), (77, 238063), (479, 38269), (497, 36883), (539, 34009), (781, 23471), (3353, 5467), (3479, 5269)]