18534724

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{827}}^1$

素因数の和:1275

約数の個数: 24

約数和(自身を含む): 35054208

約数和(自身を除く): 16519484

約数列:

[1, 2, 4, 13, 26, 52, 431, 827, 862, 1654, 1724, 3308, 5603, 10751, 11206, 21502, 22412, 43004, 356437, 712874, 1425748, 4633681, 9267362, 18534724]

約数ペア:

[(1, 18534724), (2, 9267362), (4, 4633681), (13, 1425748), (26, 712874), (52, 356437), (431, 43004), (827, 22412), (862, 21502), (1654, 11206), (1724, 10751), (3308, 5603)]