19864408

素因数分解:

$2^3\times {\mathrm{1109}}^1\times {\mathrm{2239}}^1$

素因数の和:3354

約数の個数: 16

約数和(自身を含む): 37296000

約数和(自身を除く): 17431592

約数列:

[1, 2, 4, 8, 1109, 2218, 2239, 4436, 4478, 8872, 8956, 17912, 2483051, 4966102, 9932204, 19864408]

約数ペア:

[(1, 19864408), (2, 9932204), (4, 4966102), (8, 2483051), (1109, 17912), (2218, 8956), (2239, 8872), (4436, 4478)]