19990648

素因数分解:

$2^3\times {\mathrm{859}}^1\times {\mathrm{2909}}^1$

素因数の和:3774

約数の個数: 16

約数和(自身を含む): 37539000

約数和(自身を除く): 17548352

約数列:

[1, 2, 4, 8, 859, 1718, 2909, 3436, 5818, 6872, 11636, 23272, 2498831, 4997662, 9995324, 19990648]

約数ペア:

[(1, 19990648), (2, 9995324), (4, 4997662), (8, 2498831), (859, 23272), (1718, 11636), (2909, 6872), (3436, 5818)]