19870293645

素因数分解:

$3^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{867509}}^1$

素因数の和:868029

約数の個数: 24

約数和(自身を含む): 34509547800

約数和(自身を除く): 14639254155

約数列:

[1, 3, 5, 9, 15, 45, 509, 1527, 2545, 4581, 7635, 22905, 867509, 2602527, 4337545, 7807581, 13012635, 39037905, 441562081, 1324686243, 2207810405, 3974058729, 6623431215, 19870293645]

約数ペア:

[(1, 19870293645), (3, 6623431215), (5, 3974058729), (9, 2207810405), (15, 1324686243), (45, 441562081), (509, 39037905), (1527, 13012635), (2545, 7807581), (4581, 4337545), (7635, 2602527), (22905, 867509)]