19938616

素因数分解:

$2^3\times {\mathrm{977}}^1\times {\mathrm{2551}}^1$

素因数の和:3534

約数の個数: 16

約数和(自身を含む): 37437840

約数和(自身を除く): 17499224

約数列:

[1, 2, 4, 8, 977, 1954, 2551, 3908, 5102, 7816, 10204, 20408, 2492327, 4984654, 9969308, 19938616]

約数ペア:

[(1, 19938616), (2, 9969308), (4, 4984654), (8, 2492327), (977, 20408), (1954, 10204), (2551, 7816), (3908, 5102)]