18624880

素因数分解:

$2^4\times 5^1\times {\mathrm{232811}}^1$

素因数の和:232824

約数の個数: 20

約数和(自身を含む): 43303032

約数和(自身を除く): 24678152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 232811, 465622, 931244, 1164055, 1862488, 2328110, 3724976, 4656220, 9312440, 18624880]

約数ペア:

[(1, 18624880), (2, 9312440), (4, 4656220), (5, 3724976), (8, 2328110), (10, 1862488), (16, 1164055), (20, 931244), (40, 465622), (80, 232811)]