11891642

素因数分解:

$2^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{1321}}^1$

素因数の和:1973

約数の個数: 16

約数和(自身を含む): 20432832

約数和(自身を除く): 8541190

約数列:

[1, 2, 7, 14, 643, 1286, 1321, 2642, 4501, 9002, 9247, 18494, 849403, 1698806, 5945821, 11891642]

約数ペア:

[(1, 11891642), (2, 5945821), (7, 1698806), (14, 849403), (643, 18494), (1286, 9247), (1321, 9002), (2642, 4501)]