18963789

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{28603}}^1$

素因数の和:28636

約数の個数: 16

約数和(自身を含む): 28832832

約数和(自身を除く): 9869043

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 28603, 85809, 371839, 486251, 1115517, 1458753, 6321263, 18963789]

約数ペア:

[(1, 18963789), (3, 6321263), (13, 1458753), (17, 1115517), (39, 486251), (51, 371839), (221, 85809), (663, 28603)]