19085020

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{11497}}^1$

素因数の和:11589

約数の個数: 24

約数和(自身を含む): 40564944

約数和(自身を除く): 21479924

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 11497, 22994, 45988, 57485, 114970, 229940, 954251, 1908502, 3817004, 4771255, 9542510, 19085020]

約数ペア:

[(1, 19085020), (2, 9542510), (4, 4771255), (5, 3817004), (10, 1908502), (20, 954251), (83, 229940), (166, 114970), (332, 57485), (415, 45988), (830, 22994), (1660, 11497)]