1820811890

素因数分解:

$2^1\times 5^1\times {\mathrm{14563}}^1\times {\mathrm{12503}}^1$

素因数の和:27073

約数の個数: 16

約数和(自身を含む): 3277948608

約数和(自身を除く): 1457136718

約数列:

[1, 2, 5, 10, 12503, 14563, 25006, 29126, 62515, 72815, 125030, 145630, 182081189, 364162378, 910405945, 1820811890]

約数ペア:

[(1, 1820811890), (2, 910405945), (5, 364162378), (10, 182081189), (12503, 145630), (14563, 125030), (25006, 72815), (29126, 62515)]