19197477

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2311}}^1$

素因数の和:2401

約数の個数: 24

約数和(自身を含む): 30296448

約数和(自身を除く): 11098971

約数列:

[1, 3, 9, 13, 39, 71, 117, 213, 639, 923, 2311, 2769, 6933, 8307, 20799, 30043, 90129, 164081, 270387, 492243, 1476729, 2133053, 6399159, 19197477]

約数ペア:

[(1, 19197477), (3, 6399159), (9, 2133053), (13, 1476729), (39, 492243), (71, 270387), (117, 164081), (213, 90129), (639, 30043), (923, 20799), (2311, 8307), (2769, 6933)]