19345347

素因数分解:

$3^2\times 7^2\times {\mathrm{43867}}^1$

素因数の和:43887

約数の個数: 18

約数和(自身を含む): 32506188

約数和(自身を除く): 13160841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 43867, 131601, 307069, 394803, 921207, 2149483, 2763621, 6448449, 19345347]

約数ペア:

[(1, 19345347), (3, 6448449), (7, 2763621), (9, 2149483), (21, 921207), (49, 394803), (63, 307069), (147, 131601), (441, 43867)]