18682638

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{239521}}^1$

素因数の和:239539

約数の個数: 16

約数和(自身を含む): 40239696

約数和(自身を除く): 21557058

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 239521, 479042, 718563, 1437126, 3113773, 6227546, 9341319, 18682638]

約数ペア:

[(1, 18682638), (2, 9341319), (3, 6227546), (6, 3113773), (13, 1437126), (26, 718563), (39, 479042), (78, 239521)]