19696376

素因数分解:

$2^3\times 7^1\times {\mathrm{547}}^1\times {\mathrm{643}}^1$

素因数の和:1203

約数の個数: 32

約数和(自身を含む): 42349440

約数和(自身を除く): 22653064

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 547, 643, 1094, 1286, 2188, 2572, 3829, 4376, 4501, 5144, 7658, 9002, 15316, 18004, 30632, 36008, 351721, 703442, 1406884, 2462047, 2813768, 4924094, 9848188, 19696376]

約数ペア:

[(1, 19696376), (2, 9848188), (4, 4924094), (7, 2813768), (8, 2462047), (14, 1406884), (28, 703442), (56, 351721), (547, 36008), (643, 30632), (1094, 18004), (1286, 15316), (2188, 9002), (2572, 7658), (3829, 5144), (4376, 4501)]