19499937

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{1103}}^1$

素因数の和:1260

約数の個数: 16

約数和(自身を含む): 26707968

約数和(自身を除く): 7208031

約数列:

[1, 3, 71, 83, 213, 249, 1103, 3309, 5893, 17679, 78313, 91549, 234939, 274647, 6499979, 19499937]

約数ペア:

[(1, 19499937), (3, 6499979), (71, 274647), (83, 234939), (213, 91549), (249, 78313), (1103, 17679), (3309, 5893)]