19311929

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:166

約数の個数: 32

約数和(自身を含む): 24998400

約数和(自身を除く): 5686471

約数列:

[1, 7, 13, 49, 61, 71, 91, 343, 427, 497, 637, 793, 923, 2989, 3479, 4331, 4459, 5551, 6461, 20923, 24353, 30317, 38857, 45227, 56303, 212219, 271999, 316589, 394121, 1485533, 2758847, 19311929]

約数ペア:

[(1, 19311929), (7, 2758847), (13, 1485533), (49, 394121), (61, 316589), (71, 271999), (91, 212219), (343, 56303), (427, 45227), (497, 38857), (637, 30317), (793, 24353), (923, 20923), (2989, 6461), (3479, 5551), (4331, 4459)]