19805493

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{1433}}^1$

素因数の和:1724

約数の個数: 16

約数和(自身を含む): 28083456

約数和(自身を除く): 8277963

約数列:

[1, 3, 17, 51, 271, 813, 1433, 4299, 4607, 13821, 24361, 73083, 388343, 1165029, 6601831, 19805493]

約数ペア:

[(1, 19805493), (3, 6601831), (17, 1165029), (51, 388343), (271, 73083), (813, 24361), (1433, 13821), (4299, 4607)]