18115280

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1783}}^1$

素因数の和:1923

約数の個数: 40

約数和(自身を含む): 42473472

約数和(自身を除く): 24358192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 1783, 2032, 2540, 3566, 5080, 7132, 8915, 10160, 14264, 17830, 28528, 35660, 71320, 142640, 226441, 452882, 905764, 1132205, 1811528, 2264410, 3623056, 4528820, 9057640, 18115280]

約数ペア:

[(1, 18115280), (2, 9057640), (4, 4528820), (5, 3623056), (8, 2264410), (10, 1811528), (16, 1132205), (20, 905764), (40, 452882), (80, 226441), (127, 142640), (254, 71320), (508, 35660), (635, 28528), (1016, 17830), (1270, 14264), (1783, 10160), (2032, 8915), (2540, 7132), (3566, 5080)]