12656318

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{4691}}^1$

素因数の和:4783

約数の個数: 16

約数和(自身を含む): 20269440

約数和(自身を除く): 7613122

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 4691, 9382, 89129, 178258, 333061, 666122, 6328159, 12656318]

約数ペア:

[(1, 12656318), (2, 6328159), (19, 666122), (38, 333061), (71, 178258), (142, 89129), (1349, 9382), (2698, 4691)]