18612290

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{80923}}^1$

素因数の和:80953

約数の個数: 16

約数和(自身を含む): 34959168

約数和(自身を除く): 16346878

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 80923, 161846, 404615, 809230, 1861229, 3722458, 9306145, 18612290]

約数ペア:

[(1, 18612290), (2, 9306145), (5, 3722458), (10, 1861229), (23, 809230), (46, 404615), (115, 161846), (230, 80923)]