12515408

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{18191}}^1$

素因数の和:18242

約数の個数: 20

約数和(自身を含む): 24813888

約数和(自身を除く): 12298480

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 18191, 36382, 72764, 145528, 291056, 782213, 1564426, 3128852, 6257704, 12515408]

約数ペア:

[(1, 12515408), (2, 6257704), (4, 3128852), (8, 1564426), (16, 782213), (43, 291056), (86, 145528), (172, 72764), (344, 36382), (688, 18191)]