17887984

素因数分解:

$2^4\times {\mathrm{241}}^1\times {\mathrm{4639}}^1$

素因数の和:4888

約数の個数: 20

約数和(自身を含む): 34809280

約数和(自身を除く): 16921296

約数列:

[1, 2, 4, 8, 16, 241, 482, 964, 1928, 3856, 4639, 9278, 18556, 37112, 74224, 1117999, 2235998, 4471996, 8943992, 17887984]

約数ペア:

[(1, 17887984), (2, 8943992), (4, 4471996), (8, 2235998), (16, 1117999), (241, 74224), (482, 37112), (964, 18556), (1928, 9278), (3856, 4639)]