18727856

素因数分解:

$2^4\times 7^1\times {\mathrm{167213}}^1$

素因数の和:167228

約数の個数: 20

約数和(自身を含む): 41469072

約数和(自身を除く): 22741216

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 167213, 334426, 668852, 1170491, 1337704, 2340982, 2675408, 4681964, 9363928, 18727856]

約数ペア:

[(1, 18727856), (2, 9363928), (4, 4681964), (7, 2675408), (8, 2340982), (14, 1337704), (16, 1170491), (28, 668852), (56, 334426), (112, 167213)]