19539342

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{15289}}^1$

素因数の和:15368

約数の個数: 24

約数和(自身を含む): 42934320

約数和(自身を除く): 23394978

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 15289, 30578, 45867, 91734, 137601, 275202, 1085519, 2171038, 3256557, 6513114, 9769671, 19539342]

約数ペア:

[(1, 19539342), (2, 9769671), (3, 6513114), (6, 3256557), (9, 2171038), (18, 1085519), (71, 275202), (142, 137601), (213, 91734), (426, 45867), (639, 30578), (1278, 15289)]