19961643

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{1051}}^1$

素因数の和:1554

約数の個数: 16

約数和(自身を含む): 28749056

約数和(自身を除く): 8787413

約数列:

[1, 3, 13, 39, 487, 1051, 1461, 3153, 6331, 13663, 18993, 40989, 511837, 1535511, 6653881, 19961643]

約数ペア:

[(1, 19961643), (3, 6653881), (13, 1535511), (39, 511837), (487, 40989), (1051, 18993), (1461, 13663), (3153, 6331)]