19117371

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{293}}^1$

素因数の和:555

約数の個数: 32

約数和(自身を含む): 31610880

約数和(自身を除く): 12493509

約数列:

[1, 3, 7, 13, 21, 39, 91, 239, 273, 293, 717, 879, 1673, 2051, 3107, 3809, 5019, 6153, 9321, 11427, 21749, 26663, 65247, 70027, 79989, 210081, 490189, 910351, 1470567, 2731053, 6372457, 19117371]

約数ペア:

[(1, 19117371), (3, 6372457), (7, 2731053), (13, 1470567), (21, 910351), (39, 490189), (91, 210081), (239, 79989), (273, 70027), (293, 65247), (717, 26663), (879, 21749), (1673, 11427), (2051, 9321), (3107, 6153), (3809, 5019)]