19338448

素因数分解:

$2^4\times {\mathrm{523}}^1\times {\mathrm{2311}}^1$

素因数の和:2842

約数の個数: 20

約数和(自身を含む): 37556128

約数和(自身を除く): 18217680

約数列:

[1, 2, 4, 8, 16, 523, 1046, 2092, 2311, 4184, 4622, 8368, 9244, 18488, 36976, 1208653, 2417306, 4834612, 9669224, 19338448]

約数ペア:

[(1, 19338448), (2, 9669224), (4, 4834612), (8, 2417306), (16, 1208653), (523, 36976), (1046, 18488), (2092, 9244), (2311, 8368), (4184, 4622)]