18861796

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{43261}}^1$

素因数の和:43374

約数の個数: 12

約数和(自身を含む): 33311740

約数和(自身を除く): 14449944

約数列:

[1, 2, 4, 109, 218, 436, 43261, 86522, 173044, 4715449, 9430898, 18861796]

約数ペア:

[(1, 18861796), (2, 9430898), (4, 4715449), (109, 173044), (218, 86522), (436, 43261)]