18913490

素因数分解:

$2^1\times 5^1\times {\mathrm{827}}^1\times {\mathrm{2287}}^1$

素因数の和:3121

約数の個数: 16

約数和(自身を含む): 34100352

約数和(自身を除く): 15186862

約数列:

[1, 2, 5, 10, 827, 1654, 2287, 4135, 4574, 8270, 11435, 22870, 1891349, 3782698, 9456745, 18913490]

約数ペア:

[(1, 18913490), (2, 9456745), (5, 3782698), (10, 1891349), (827, 22870), (1654, 11435), (2287, 8270), (4135, 4574)]