18956295

素因数分解:

$3^3\times 5^1\times {\mathrm{140417}}^1$

素因数の和:140431

約数の個数: 16

約数和(自身を含む): 33700320

約数和(自身を除く): 14744025

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 140417, 421251, 702085, 1263753, 2106255, 3791259, 6318765, 18956295]

約数ペア:

[(1, 18956295), (3, 6318765), (5, 3791259), (9, 2106255), (15, 1263753), (27, 702085), (45, 421251), (135, 140417)]