18846980

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{8807}}^1$

素因数の和:8923

約数の個数: 24

約数和(自身を含む): 39953088

約数和(自身を除く): 21106108

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 8807, 17614, 35228, 44035, 88070, 176140, 942349, 1884698, 3769396, 4711745, 9423490, 18846980]

約数ペア:

[(1, 18846980), (2, 9423490), (4, 4711745), (5, 3769396), (10, 1884698), (20, 942349), (107, 176140), (214, 88070), (428, 44035), (535, 35228), (1070, 17614), (2140, 8807)]