18390512

素因数分解:

$2^4\times 7^1\times {\mathrm{164201}}^1$

素因数の和:164216

約数の個数: 20

約数和(自身を含む): 40722096

約数和(自身を除く): 22331584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 164201, 328402, 656804, 1149407, 1313608, 2298814, 2627216, 4597628, 9195256, 18390512]

約数ペア:

[(1, 18390512), (2, 9195256), (4, 4597628), (7, 2627216), (8, 2298814), (14, 1313608), (16, 1149407), (28, 656804), (56, 328402), (112, 164201)]