19916494

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{10789}}^1$

素因数の和:10875

約数の個数: 16

約数和(自身を含む): 32628960

約数和(自身を除く): 12712466

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 10789, 21578, 140257, 280514, 766019, 1532038, 9958247, 19916494]

約数ペア:

[(1, 19916494), (2, 9958247), (13, 1532038), (26, 766019), (71, 280514), (142, 140257), (923, 21578), (1846, 10789)]