18483280

素因数分解:

$2^4\times 5^1\times {\mathrm{231041}}^1$

素因数の和:231054

約数の個数: 20

約数和(自身を含む): 42973812

約数和(自身を除く): 24490532

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 231041, 462082, 924164, 1155205, 1848328, 2310410, 3696656, 4620820, 9241640, 18483280]

約数ペア:

[(1, 18483280), (2, 9241640), (4, 4620820), (5, 3696656), (8, 2310410), (10, 1848328), (16, 1155205), (20, 924164), (40, 462082), (80, 231041)]