1815620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3947}}^1$

素因数の和:3979

約数の個数: 24

約数和(自身を含む): 3979584

約数和(自身を除く): 2163964

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 3947, 7894, 15788, 19735, 39470, 78940, 90781, 181562, 363124, 453905, 907810, 1815620]

約数ペア:

[(1, 1815620), (2, 907810), (4, 453905), (5, 363124), (10, 181562), (20, 90781), (23, 78940), (46, 39470), (92, 19735), (115, 15788), (230, 7894), (460, 3947)]