18676496

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{10709}}^1$

素因数の和:10826

約数の個数: 20

約数和(自身を含む): 36521100

約数和(自身を除く): 17844604

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 10709, 21418, 42836, 85672, 171344, 1167281, 2334562, 4669124, 9338248, 18676496]

約数ペア:

[(1, 18676496), (2, 9338248), (4, 4669124), (8, 2334562), (16, 1167281), (109, 171344), (218, 85672), (436, 42836), (872, 21418), (1744, 10709)]