18214908

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{21379}}^1$

素因数の和:21457

約数の個数: 24

約数和(自身を含む): 43102080

約数和(自身を除く): 24887172

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 426, 852, 21379, 42758, 64137, 85516, 128274, 256548, 1517909, 3035818, 4553727, 6071636, 9107454, 18214908]

約数ペア:

[(1, 18214908), (2, 9107454), (3, 6071636), (4, 4553727), (6, 3035818), (12, 1517909), (71, 256548), (142, 128274), (213, 85516), (284, 64137), (426, 42758), (852, 21379)]