18921310

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{17359}}^1$

素因数の和:17475

約数の個数: 16

約数和(自身を含む): 34372800

約数和(自身を除く): 15451490

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 17359, 34718, 86795, 173590, 1892131, 3784262, 9460655, 18921310]

約数ペア:

[(1, 18921310), (2, 9460655), (5, 3784262), (10, 1892131), (109, 173590), (218, 86795), (545, 34718), (1090, 17359)]