18962540

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{8861}}^1$

素因数の和:8977

約数の個数: 24

約数和(自身を含む): 40198032

約数和(自身を除く): 21235492

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 8861, 17722, 35444, 44305, 88610, 177220, 948127, 1896254, 3792508, 4740635, 9481270, 18962540]

約数ペア:

[(1, 18962540), (2, 9481270), (4, 4740635), (5, 3792508), (10, 1896254), (20, 948127), (107, 177220), (214, 88610), (428, 44305), (535, 35444), (1070, 17722), (2140, 8861)]