18892970

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{17333}}^1$

素因数の和:17449

約数の個数: 16

約数和(自身を含む): 34321320

約数和(自身を除く): 15428350

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 17333, 34666, 86665, 173330, 1889297, 3778594, 9446485, 18892970]

約数ペア:

[(1, 18892970), (2, 9446485), (5, 3778594), (10, 1889297), (109, 173330), (218, 86665), (545, 34666), (1090, 17333)]